DutPut
`
`P8079HP
`
`IMAGE INTENSIFIER
`
`ASSEMBLY
`
`
`
`DESCRIPTION
`
`The P8079HP image intensifier is a high performance direct replacement for
`the earlier devices P8076 and P8076FP.
`
`The unit is a self focused image intensifier assembly designed for night vision
`
`systems and many other low light applications.
`
`It comprises three fibre—optic
`
`coupled electrostatic image intensifiers, encapsulated in
`
`silicone rubber
`
`together with e.h.t. multiplier, Automatic Brightness Control
`
`(ABC) and
`
`inverter circuits to form a rugged, compact,
`
`lightweight device. The inten-
`
`sifier is powered by a single d.c.
`
`input at 6.75 V, the current consumption
`
`being 50 mA maximum. The output image is inverted and its geometrical
`
`magnification is approximately unity.
`
`I
`
`I
`
`QJBSEQEETIC
`|
`r" ‘r
`-
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`
`A
`
`C
`
`OUTLINE
`
`342:rD
`
`.
`
`,
`
`[- D
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`as
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`i
`
`LDCATING
`
`PIN
`
`CATHODE
`contact
`
`FIBRE-OF'TlC
`INPUT
`
`BEARING
`
`SURFACE
`
`INPUT CONNECTOR
`
`THREADED 3-LBUNC
`
`av c DEEP
`
`Ref
`
`Millimetres
`
`Inches
`
`A
`
`B
`
`C
`
`D
`
`E
`
`F
`
`G
`
`196.0 max
`
`70.0 max
`
`183.0 max
`
`6.1 nom
`
`35.7 max _
`
`32.7 min
`
`5.0 min
`
`7.717 max
`
`2.756 max
`
`7.205 max
`
`0.240 nom
`
`1.406 max
`
`1.287 min
`
`0.197 min
`
`Inch dimensions have been derived from millimetres.
`
`Note Detailed dimensions are available on request.
`
`Whilst EEV has taken care to ensure the accuracy of the information contained herein it accepts no responsibility
`for the consequences of any use thereof and also reserves the right to change the specification of goods without
`notice. EEV accepts no liability beyond that set out in its standard conditions of sale in respect of infringement of
`third party patents arising from the use of tubes or other devices in accordance with information contained herein.
`
`P8079HP, page 12
`
`English Electric Valve Company Limited
`
`Chelmsford, Essex, England
`
`Printed in England
`
`
`
`© 1984 English Electric Valve Company Limited
`
`January 1984
`
`

`
`SYSTEM PERFORMANCE VARIATION WITH BATTERY VOLTAGE
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`
`DESCRIPTION (continued)
`
`The tube features :-
`
`I Extended Range The range of a night vision system incorporating a
`
`P8079HP tube will be increased as depicted on page 9. This improvement
`
`results from a development which has substantially enhanced the limiting
`
`resolution of the intensifier.
`
`In practice,
`
`this may be as much as 25%,
`
`enabling target identification at 2000 m, a figure which is limited by the
`
`night vision system's lens.
`
`I Flash Protection It is now generally known that image intensifiers sustain
`
`permanent damage when exposed to high intensity pyrotechnic flashes
`
`such as occur when ammunition explodes against a hard. target. The
`
`P8079HP has been designed to contain sufficient flash protection to pro-
`
`tect against all known battlefield conditions without suffering any loss in
`
`other operational parameters.
`
`I Increased Operating Temperature Range Existing intensifiers have sub-
`
`stantially reduced performance at temperatures in excess of 27 “C, with
`the gain dropping to less than 25% of its normal value at temperatures in
`excess of 35 “C. The P8079HP maintains good operational performance
`
`up to 35 “C, as shown on page 10.
`
`I Prolonged Battery Life with Maintained Performance Current
`
`inten-
`
`sifiers show continuous deterioration of performance as the battery
`
`voltage decreases during life. The P8079HP has been designed to main-
`
`tain its operational performance at input voltages down to approximately
`
`4.5 V, as shown on page 11. Consequently this gives the user a longer
`
`operational life.
`
`. Summary The performance of existing night vision equipment may be sub-
`
`stantially improved by the use of intensifier P8079HP, which takes advantage
`of the latest technology, and may be introduced without any modification to
`
`equipment. The P8079HP can be used where DEF STAN 59-60/90X077 or
`MIL-1-553-40 (EL) are «specified, having an identical mechanical outline to
`
`the tubes described by these specifications. This device now conforms
`
`to BS CECC 12001-001, Issue A, February 1982.
`
` -
`
`
`
`P8079H P, page 2
`
`P8079HP, page 11
`
`‘in 33NVHHO:lE|3cI H3'.|.SAS
`
`

`
`SYSTEM PERFORMANCE VERSUS TEMPERATURE
`
`DATA SUMMARY
`
`Luminance gain (typical)
`
`100 000
`
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`
`
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`
`Environmental Performance
`
`To ensure a satisfactory performance in a rugged military environment the
`
`P8079HP is regularly subjected to quality assurance tests including:
`1. Resistance to shock during operation and storage
`
`2. Vibration
`
`3. Dry heat
`
`4. Low temperature
`
`5. Operational endurance
`
`RANGE IMPROVEMENT OF TYPICAL NIGHT VISION SYSTEM WHEN
`
`USING P8079HP TUBE
`
`MAXIMUM AND MINIMUM RATINGS (Absolute values)
`
`Mm
`
`Max
`
`.
`.
`.
`.
`.
`.
`Voltage supply (see note 2)
`Photocathode illumination (see notes 3 and 4)
`
`.
`.
`
`—~
`—-
`
`i7.0
`10
`
`Ambient temperature:
`continuous operation (see note 5)
`short term operation (2 hours max)
`long term storage
`.
`.
`.
`.
`short term storage (2 hours max)
`
`CHARACTERISTICS (See note 6)
`
`.
`_
`.
`
`.
`.
`.
`
`.
`.
`.
`
`Luminance gain (see note 7)
`Resolution at" centre
`.
`_
`_
`Edge resolution (see note 8)
`M.T.F. (see note 9):
`.
`.
`.
`.
`2.5 cycles/mm .
`.
`.
`.
`.
`7.5 cycles/mm .
`.
`.
`.
`.
`16 cycles/mm
`.
`"Equivalent background illumination
`.
`(see note 10)
`.
`.
`.
`.
`.
`Centre magnification (see note 11)
`Distortion (see note 12)
`.
`.
`.
`
`Axial eccentricity
`
`Screen luminance for cathode
`
`illuminance of1.0 Ix
`
`.
`
`.
`
`.
`
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`
`.
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`
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`
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`
`—
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`
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`
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`
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`
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`—
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`
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`
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`
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`
`see note 13
`
`550
`
`1.5
`
`cd/m'‘’
`
`3
`
`
`
`P8079HF-", page 4
`
`P8079Hi’, page 9
`
`

`
`TYPICAL SPECTRAL RADIANCE OF P20 PHOSPHOR
`
`NOTES
`
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`IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
`IIIIIIIIIIIIIIIIIIIIIIIIHIIIIIIIIIIIIIIIIIIIIIIIII
`IIIIIIIIIIILIIIIIIIIIIIIHIIIIIIIIIIIIIIIIIIIIIIIII
`IIIIIIIIIIIHIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
`20IIIIIIIIIIIHIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
`IIIIIIIIIIIMIIIIIIIIIIIIIHIIIIIIIIIIIIIIIIIIIIIIII
`IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
`IIIIIIIIIIIIIIIIIIIIIIIIIIHIIIIIIIIIIIIIIIIIIIIIII
`IIIIIEIIIIIIIIIIIIIIUIIIIIIIIIIIIIIIIIIIIIIIIIIIII
`'oIIIII IIIIIIIIIIIIIIIIIIIIIEIIIIIIIIIIIIIIIIIIIIII
`IIIIIIIIIILIIIIIIIIIIIIIIIIIEIIIIIIIIIIIIIIIIIIIII
`IIIIIIIIIIHIIIIIIIIIIIIIIIIIIEIIIIIIIIIIIIIIIIIIII
`lIIIIIII!EIIIIIIIIIIIIIIIIIIIILBIIIIIIIIIIIIIIIIII
`IIIIIIEJIIIIIIIIIIIIIIIIIIIIIIIhEI!!IIIIIIIIIIIII
`0IIIII' IIIIIIIIIIIIIIIIIIIIIIIIIIII9-2!-IIIIIIIIII
`rI'-'*~ G
`
`I C‘
`
`—' C‘
`
`-C‘ 1
`
`'— CI
`
`WAVELENGTH (nrn)
`
`_.
`3
`-
`
`—
`9?
`E3
`_J
`gi
`»-
`hi
`m
`"1
`us
`E:
`E3
`E1
`mg
`
`1. Measured using as a source of white light a tungsten lamp of colour
`
`temperature 2856 K (C.l.E. illuminant W).
`
`2. The input supply is applied between the d.c.
`
`input socket (positive) and
`
`the cathode contact flange (negative).
`
`3. For short periods only. Prolonged exposure to high levels of photo-
`cathode illumination will shorten the life of the tube.
`
`4.
`
`Internal flash protection is provided against localised and brief highlight
`
`intensities within the overall
`
`input
`
`scene.
`
`The
`
`flash protection
`
`mechanism will
`
`restore output screen luminance to normal working
`
`levels within 1.5 seconds.
`
`5. Operation or storage outside the recommended range -54 “C to +68 “C
`
`must be avoided.
`
`6. Unless otherwise specified all parameters are measured under the
`
`following conditions:
`voltage supply (d.c.)
`ambient temperature
`
`.
`.
`
`.
`.
`
`.
`.
`
`.
`.
`
`.
`.
`
`.
`.
`
`.
`.
`
`.
`.
`
`.
`.
`
`.
`
`6.75 i 1%
`21 i 3
`
`V
`“C
`
`7. Luminance gain = E.” apostilb/lux
`Ev
`
`where L»,, is the screen luminance in cd/mi normal to the screen and E._. is
`
`the photocathode illuminance in lux. 1
`
`8. Measured at the photocathode at a distance of 7 mm from the centre.
`
`is measured according to procedures defined in DEF. STAN.
`9. M.T_F,
`5900902077 or as CECC 12001-001.
`
`10. The value of input
`
`illuminance required to give an increase in screen
`
`luminance
`
`equivalent
`
`to the background luminance, measured at
`
`20 “C i 1 “C.
`
`11. The magnification of a 2 mm diameter concentric circle on the photo-
`
`cathode, as measured on the screen.
`
`12. Distortion = M2“ ' M2 x 100%
`
`M2
`
`where M20 and M2 are the magnifications of 20 mm and 2 mm diameter
`circles on and concentric with the input fibre--optic.
`
`
`
`
`
`P8079H P, page 8
`
`P8079HF’, page 5
`
`

`
`13. The image on the screen of a point at the centre of the photocathode will
`lie within a concentric circle of diameter 1.5 mm.
`
`14. From a base level of 5 x 10'3 Ix the input illuminance is instantaneously
`-
`'
`d t
`10 I
`Th
`I minance immediatel
`ris
`f II
`b
`k
`ac
`y
`X‘
`0
`mcrease
`9 Screen U
`es’ 3 5
`and then stabilizes at a steady value. The response time is defined as
`the interval between the increase in illuminance and the subsequent
`attainment Of an output luminance WhlCh remains BDOVE: 3.4 cd/mg.
`
`1
`1
`
`*
`
`TYPICAL PHOTOCATHODE SPECTRAL RESPONSE
`
`IIIIIIIIIIIIIIIIIIIIIIII
`III IIIIIIIlIIIIIIIIIII=
`III IIIIIIIIIIIIIIIIIII
`IIIIIIIIIIIIIIIIIIIIIIIIIIII
`
`IIII
`
`IIIIIIIIIIIIIIIIIIIIIIIIIIIII IIII
`..-.--- ---.---.-.-‘I...
`II
`I:=I
`
`IIIIIIIIIIIIIIIIIIIIEIIIIIIIIIIIIIIIIE$
`
`53
`
`IIIIIIIIIIIIIIIIIIIIIIIIIIIIII
`IIIIIIIIIIIIIIIIIIIIIII
`II
`IIIIIIIIIIIIIIIIIIIIIII
`IIIIIIIIIIIIIIIIIIIIIII
`IIIIIIIIIIIIIIIIIIIIIIIII
`IIIIIIIIIIIIIIIIIIIIIIIII
`IIIIIIIIIIIIIIIIIIIIIIIIII
`
`I
`I
`IIIIIIIIIIIIIIIII
`I IIIIIIIIIIIIIIIII:
`
`IIIIIIIIIIIIIIIIIIIIIII
`IIIIIIIIIIIIIIIIIIIIIII
`IIIIIIIIIIIIIIIIIIIIIIII
`
`IIIII
`
`IIIIIIIIEIIIIIESIIIIIIIIIIIIIIIIIIIIIII
`I
`_
`IIIIIEIIIIIIIIIIIEIIIIIIIIIIIIIIIIIIIIII
`IIIIHIIIIIIIIIIIIILFIIIIIIIIIIIIIIIIIIII
`IIIIIII
`£0IIHIIIIIIIIIIIIIIIIIEIIIIIIIIIIIIIIIIIII
`IIIIIIII
`IIIIIIIIIIIIIIIIIIIIIINIIIIIIIIIIIIIIIII
`IIIIIIIIIIIIIIIIIIIIIIIE IIIIIIIIIIIIIIIIIIIIIIIII
`IIIIIIIIIIIIIIIIIIIIIII
`IIII IIIIIIIIIIIIIIIIIII
`I
`IIIIIIIIIIIIIIIIIIIIII
`N
`IIIIIIIIIIIIIIIIIIIII
`IIE
`IIIIIIIIIIIIIIIIIII
`III
`LI
`IEIIIIIIIIIIIIIIIIIII
`III
`III
`IIBIIIIIIIIIIIIIIIIII
`3° IIIIIIIIIIIIIII IIIII IIIII
`IIIBIIIIIIIIIIIIIIIII
`III
`III
`IIIIIIIIIIIIIIIIIIIIIIIII
`IIIIGIIIIIIIIIIIIIIII
`IIIIINIIIIIIIIIIIIIII
`IIIIIIIIIIIIIIIIIIIIIIIII
`III
`I
`III
`IIIIIIIIIIIIIIIIIIIII
`IIIIIIIIIIIIIIIIIIIIIIIII
`IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
`IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIHIIIIIIIIIIIII
`IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIHIIIIIIIIIIII
`IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIINIIIIIIIIIII
`IIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIII
`ZnIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIEIIIIIIIIII
`
`I I
`
`II ..E
`
`R I
`
`I E I I I I I I :
`
`I E I I E I
`
`I
`
`lrnA:'WJ
`
`
`
`SPECTRALSENSITIVITY
`
`II
`IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII II
`BIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII II
`
`IIIIIIIIIIIIIIII
`
`Q
`
`500
`
`500
`
`700
`
`300
`
`900
`
`WAVELENGTH lnrn}
`
`P8079HP, page 6
`
`
`
`P8079HP. page 7
`
`

`
`;
`:”_This data must be read in conjunctionwith
`FGENERAL OPERATIONAL RECOMMENDATIONS — IMAGE INTENSIFIERS
`fnecogwmenoen SUPPLY VOLTAGE
`
`"Useful diameter ‘
`-Sensitivity
`
`white light
`
`A = 300 nm
`
`}\= 850 nm
`
`Screen
`
`‘Phosphor
`
`Phosphor decay time
`-“Useful diameter
`
`

`
`xauoss
`
`A CHARACTERISTICS (continued)
`
`' Mean screen luminance
`averaged over useful screen area
`
`Screen luminance ratio, on = 20 mm, A3 = 0.75 mm2
`Supply current, E; = < 1.0 Ix
`
`_
`
`Mass
`
`_
`
`.
`
`.
`.
`
`max.
`
`I
`
`550
`
`5:1
`50 I
`
`3%
`
`- RATINGS (Limiting values in accordance with the Absolute Maximum System IEC134)
`
`-
`Supply voltage " note 3
`Photocathode -illuminance (100 h cumulative) note 4
`Tamb (for storage, 100 h cumulative)
`Tamb -(for continuous operation)
`Tamb (for longnterm storage) note 5
`Tamb (for storage, 2 h max.) _ note 6
`Axial force" between bearing surfaces
`
`.
`
`_
`
`.
`
`max.
`max.
`max.
`max.
`max.
`'
`.
`
`.
`
`7-0
`10
`63
`35
`35
`—-54
`100
`
`QUALIFICATION APPROVAL
`This intensifier can be supplied to DEF STAN 59-60 (part 90), specification No.-077A.
`
`'
`
`.
`
`-.
`
`With an input illuminance of_Ei = 5 x 103 Ix.
`and th
`E; is increased in less than 10'ms to-a value of 10 Ix; the screen will flash instantaneous)
`black out for a brief period. Thereafter the‘screen luminance will increase to a steady vain Th en
`e
`e.
`increase of E; and the instant at
`
`.
`
`.
`
`_
`
`_
`
`Steody
`screen luminance
`at E; =10 lx
`
`L_—'._. Recovery time ——__.)
`Photocothode illurninonce
`IS roused instantaneously to 10 la:
`
`The supply_ voltage must be applied between the input contact (positive) and the cathode contact
`rung lnegatlve).
`_
`-
`
`

`
`OUTLINE DRAWING
`
`- Overall length I95 max
`
`Optical
`
`length lfliirnax
`
`Locating pin
`
`-I-Bearing surface
`
`optic surface
`
`Dime’nsions in mm
`
`Bit“
`
`Screen
`
`'
`
`luminanc
`
`Lcd I m
`
`-E_.__J..._.5.......n.....1.5
`
`
`1.5.H...
`
`.1...
`
`
`
`1.....U.01.21.-1.1
`
`01.
`
`__=--II_==-II____=-II_=.u-II
`
`==-IIII=--IIII.2.-III'__--IIII.
`
`_______-IF.....iWIIII“l_55IaII"_II55luIIIIIIIII:555
`=-IIIIII--llIIII_-llIIII.._-IIIIII
`IIIIIIIII-IIIIIIIIulIII_IIIl_...I-III.II
`_==-II===-IIy...
`IIIIIIIIIIIIIIIIIIIIIIIIIIFIIIII—......
`
`-I-lIIIlI—-IIIIIII-IIIIIIII-IIIIIII5
`_____=-I____=£I_____=-I._.
`
`
`__=A-II__=_-II.
`
`_=-lIIl=--In_'l=--IIIl=_-llll
`===III_===II===-II===-II..
`
`-IIIIII_II_-IIIIIIIIEIIIIIIIIIIIIIIE...
`_-I_____=uI_____=-I_____=-IMIII'Ill-..I--.'.II..I.I.|I.-IIIill1IIIIIIIHIIII.IIIIIIIIIIIIIIHHIII
`
`IIII-IIIIIII.IIIIIIIIIIIIIIIII
`—-l.
`
`I
`
`II—
`
`m
`
`
`
`:.=IIII.==l-II-IIIIIII-IIIIIII_II:=nlI'5...n-IIIIIIIIIIII-IIIIIII:I_IIIIII—lIIIIIII_5=I_IIIIII-IIIII
`
`
`
`
`
`
`
`
`
`
`
`
`
`_IIl...-:lIIl=-call--IIIIIIII-II!III-illllllln-IIIIIII5.:-nlI'5=.-I.
`
`III.‘I
`IIII
`
`IIII
`
`
`
`-IIIIIIII-IIIII-IIIIIIII-IIIIII_|
`-_I55:IlullIlnilllI51._
`
`
`I.51...
`
`=_=IIII=--II...II=--lIII=_-IIII
`
`I-IIIIIIIIIIIII:IIIII:IIII--lII.II—-IIIIII.I--IIIIII_-IIIIIII5__—n-lllll.-uIIII...l.-nlllul:-IIIII
`IIIIIIIIIII.II..__IIIIIII?
`
`II
`
`IIcI
`
`IIII.IIiII.."II:I.i"I.lIIII.I.IIIl.II|.II..IIIIIIIIIIIIIIIIIIIII1.
`
`inI5-llII_II55.lII_Il55|
`
`1D11!1.
`
`1..
`
`
`
`_=-lII'=—-—I'I_==II"_=-IIII.._.
`
`
`
`
`
`I.I
`
`IIII|||l.III'Ill.IIIIII'||_-II...Ii
`
`
`
`
`
`
`
`1‘llIIII555IIIIIIl5I..._...:_..l:I.I5_55IIIIIII55
`
`.._DIIII
`
`..-I
`
`I
`
`
`
`.......,=-IIIII==lIIII=-IIIIII.-IIIIIIu=--IIII=--IIII==lIIII=-=lIII
`nllllliEIIIIII—-llIIIII=IIIIIII5
`
`Eil2IIIIIIIIflIII.III-III.IIIIII-III.Ila...
`
`
`
`.:llII_II5.I_:iII_l55..allll-IIII5.1
`
`Photocathade
`
`Illurmnance ilx}
`
`I
`
`_ \
`.
`_
`Typical ABC transfer characterIs_tic
`
`' K20
`
`September 1979 .%
`
`
`
`
`
`
`
`
`
`
`
`

`
`oaso LESCE NT TYPE
`
`)()(1305
`
`IMAGE INTENSIFIER
`
`The XX130t3 is a miniature, electrostaticallv self-focused, inverting microchannel plate image intensifier.
`It has 18 mm fibre=optic input and output windows, an integral power supplv and automatic gain control
`IAGCL Point highlight saturation and bright source protection are features of this intensifier. It is primarily
`intended for use in hand held, direct viewing night vision svstems, but is also suitable for manv, verv low
`light level applications.
`
`This data must be read in conjunction with
`GENERAL OPERATIONAL RECOMMENDATIONS — IMAGE |NTENSlF|EFlS
`
`RECOMMENDED SUPPLY VOLTAGE
`
`2.8
`
`‘U
`
`CHARACTERISTICS (Measured at 22 i 3 DC with recommended supplv voltagel
`
`Photocathode
`
`_ Surface
`
`Useful diameter
`
`Sensitivitv
`
`white light
`
`It = 800 nm
`
`it = 850 nm
`
`Screen
`
`Phosphor
`
`Useful diameter
`
`S25
`
`min.
`
`115 mm
`
`min.
`
`min.
`
`min.
`
`200
`
`pfitflm
`
`10 mA,t'W
`
`8
`
`mA.*'W
`
`P20
`
`min.
`
`1? mm
`
`23 000
`48 000
`
`4
`'10
`
`cd."m2
`cdfmg
`
`line pairsfmm
`
`line pairsfmm
`
`0.88
`0.9-4
`
`25
`
`25
`
`0.8?
`030
`0.35
`
`0.2
`
`pl:-:
`
`0.3 mm
`
`0.5
`
`5
`
`40
`
`rTU'—‘s
`
`200
`
`g K
`
`February 1981
`
`21
`
`- Gain, gag = 10 mm, E1 == 50 pl:-:
`
`' Mean screen luminance, Ei : E0 ml:-t
`
`I Edge magnification, on = 14.4 mm
`
`Centre resolution
`
`' Edge resolution, u,_i:E = 10 mm
`
`Modulation transfer factors note 1
`
`2.5 cvclesfmm
`17.5 cvclesfmm
`18 cvclesfmm
`
`i
`
`Equivalent background illumination I{E8ll
`
`Image alignment
`
`Flecoverv time
`
`Supplv current, E-, = s‘5.0.1 |:-::
`
`|‘v'J.-ass
`
`min.
`mar.-1..
`
`min.
`max.
`
`min.
`max.
`
`min.
`
`min.
`
`min.
`min.
`r‘r‘IiI"I.
`
`max.
`
`in-Ens.
`
`FHEI3-I.
`
`men.
`
`mart.
`
`

`
`XX1306
`
`RATINGS [Limiting yalues in accordance with the Absclute Maximum System |EC134}
`
`Supply ycltage ncte 2
`Phciti:icathcde illuminance ncte 3
`Tamb {fcr stcirage. lflfl h cumulative}
`Tamb {fcr cperaticn and lcng term stcragell
`
`Ta,-nh {fcr nperatic-n, 2 h maicl
`Axial fcrce between bearing surfaces
`
`OUALIFICATIDN APPFIDVAL
`
`max.
`max.
`max.
`max.
`min.
`
`min.
`max.
`
`2.70
`100
`68
`35
`-5
`
`-20
`100
`
`V
`mlii
`“C
`“C
`“C
`
`DC
`N
`
`This intensifier may be supplied tc DEF STAN 59-60 [part Qfll, specificaticn Nc. O98.
`
`WARNING
`
`Immediately after cperaticn, the screen will remain electrpstatically charged tcr apprcsimately 1 hcur_
`during which time the intensifier shculd nct be handled. Any attempt tc discharge the intensifier by
`any means may result in irreparable damage.
`
`K22
`
`September 1979
`
`

`
`Em
`
`NOTES
`
`1
`
`2.
`
`3
`
`1.
`
`..5FIMm_____=-I_____=-I____=—-I____=IW.
`r.._.mmHW.W=--II!”=--I.uI=—-II'u=mm,mmmm.m.,..m=__=I-'===l..___=---u__=
`.m.n_II..I1..1
`
`
`
`
`_L..mm?!1.W15__......._n|_..._.._..____...__m?51.D.
`__lAUD_.lAU-II-ll”!-II-III!-II-IulHI.5.DW..u..E.HH--Illi—-nlflllln-_--Il.'u_
`
`III.
`
`
`
`_____=-mumm.NMW.-----uIh__r....:.i.........--..-.....of.--IIIM.
`
`EI...n...5DEIIIIII-IIIIIIHIIIIIIUIQ.lull
`
`
`
`
`‘A_=——-II.....__=-I_____=-IMMMmm.mmmmmmmImmmmmmmm“..mmmwwmmmflmmmmmmmmflwwIWwmmfiuuuuflWfiuunufl“uuuuuflnuannnflnHTUW....m_U.%=-Ill-W.=-lIII==-I-...'u.--Illli.HEbiEE_=-II”_=-IIUIE--II‘HE--IIUUWmmmmW===l-M_==-I-'_==-I
`
`
`.I_.m..HMIWnu...nufl"IIIuuuuufluunuuuufluufi..-_.fl““fl1.1.
`
`
`
`4..ae.mi.:IIIII.....IIId.....I..I::-IIIIWmmH...EEWuuuuflfl"""uunuflfl""mun“fl"flHuunnfl"“..1HWmw...mmnunuunnflflnnuunuufleuuunnflunuuuuunflfl..m.__L_.IH=-III-“--I_lI‘n
`
`
`..H..EEDH.@I..U...W_.___==-._____=-
`ma.-I'____=-II.....r_mmmM...W_"_fiuufl_.....u...n..fiuuufl__"_...uunflmmmmmm__._..-lI___=.-I
`
`
`
`
`
`IIIIIIIUI-IllllIE.IIIll!-I.InlH1.IF.l1..D3_____m_u._.______.__.___..__.____.-I.%......U_H%Huunuflflufluuuulu%.uuulflunuuuuulflnflW%..m.H_._mE5.1ME.
`
`EE”_.|.......__F.
`
`
`flu...9.an...m.D.mfiflunflflfiuuuuflUfinnflnnfinunfln.
`
`
`EDHEW==-uIII._=-allW.—-IIIIHE-III”MmmaMpIGII....._.
`
`
`I._-W..____=—-..__==-I____=—..__..
`-IIIII!-IIIIII
`
`
`
`....Um.mnmifiuunflnfiuu“""HI.
`H6U...H.Em.umuIII||..-mmH.
`=-I_____=-ulnMH.!-IIIIIHll3..1....m.m.wram...Em=—-IIHHE-=uu==IlIII=—-II-mHXnH.mmm_==-I.===-I.__=—-I'___=-I....nHWmmmm___=—-I_____=-I____
`
`
`
`.__L.|5I...93EE_r.ufl=-IIIII=--
`
`
`
`
`nu_.......au_u....IDDII'I.II.I.|.II.I'.'Il||.I".II
`
`K23
`
`
`
`
`
`
`
`_.._==-I____=_--......u.._...MrE.;W:..W==-II_I=—-II'l==-II_I=-I-II.‘cMMmmM_==-I.___=-Il__=u-II"==—--I....mWmmm______—--____=-
`...._nq__W=-IIIi-=II-lluu-=II.I|--IIIIIIIIlll'|_IllII'|_l.1..-UtW...mEWWHuuu|H"“:uuuufl"“uuIH“““uuuuflfl"““1.uD.mtmMmnun-nfl"..Huunfl“=nuunflflfiflunflfl.._W.3EW.”
`
`
`
`_n__._.__.2.._.......__.__-uu._u....uE_En_...._uu_..__E._E_.;cuubm
`
`
`
`
`
`
`
`
`
`

`
`
`
`Bearing
`surfaces
`
`
`
`Screen fibre
`eptic face
`
`XX1305
`
`OUTLINE DRAWING
`
`
`
`fibre optic face
`
`- Phetccuthede
`
`Fcrrce cm supply ccmtacts must not exceed 10 N.
`
`
`K24
`September 19379
`
`

`
`A IMAGE INTENSIFIER
`
`_,-I-'
`._;,._..
`
`The XX1332 is an electrostatically self-focused, inverting microchannel plate image intensifier. It has a
`50 mm fibre-optic inputwindow and a 40 m_m fibre-optic screen window. It incorporates an integral
`power supply and automatic gain control (AG C). Point highlight saturation and bright source protection
`- are features of this intensifier. It is primarily intended for use in night vision systems.
`'
`
`This data must be read in conjunction with
`GENERAL OPERATIONAL RECOMMENDATIONS — IMAGE INTENSIFIERS.
`RECOMMENDED SUPPLY VOLTAGE
`
`6.5
`
`V1
`
`CHARACTERISTICS (Measured at 22 .t 3 °C with recommended supply voltage)
`
`'
`
`A
`
`'
`
`A
`
`S
`
`'
`
`I
`
`_
`
`, Phctocathode
`Surface
`
`Useful diameter
`
`Sensitivity
`white light
`R = 800 nm
`
`7x = 850 nm
`
`Screen
`
`Phosphor
`
`Useful diameter
`
`Gain, ¢oG = 22.5 mm, E; »—"-'= 50 pix
`.
`'
`Mean screen luminance, or; = 22.5 mm, E; w 20 mlx
`'
`
`"Centre magnification, pd = 4.0 mm
`
`I
`
`Edge magnification, of) = 40 mm
`
`'
`
`5 Centre resolution
`_ Edge resolution, $5 = 28 mm
`_ Modulation transfer factors note 1
`5' cycles/rnm
`10 cycles!mm
`'
`'
`_ 20 cycles/mm
`' Equivalent background illumination (EB!)
`Image alignment
`' Recovery time
`Supply current, E; < 1.0 Ix
`Mass
`I
`‘
`
`.
`
`-
`
`'
`
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`
`'
`
`I
`
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`
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`
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`
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`
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`
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`'
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`
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`
`.
`._
`
`.
`.
`.
`
`in
`
`_
`-'
`-
`.
`.
`
`525
`
`48.8
`
`200
`15
`
`cd/m2
`cd/m2
`
`30 000
`60 000
`4
`- 8
`0.61
`
`0.71
`
`-
`
`0.71
`0.77
`
`18
`13
`
`line pairs/mm
`“'19 Pairs/mm
`
`-
`
`I
`
`0'-30
`0-55
`0.20
`11'!
`0.2
`2-9 mm
`0-5
`5
`50 mA
`350
`g
`
`1
`
`_
`
`l
`
`_
`
`

`
`RATINGS (Limiting values in accordance with the Absolute Maximum Snystem IEC134)
`
`NOTES
`
`Image intensifier
`
`Supply voltage note 2
`
`Photocathode illuminance note 3
`
`Tamb (for storage, 100 h cumulative)
`Tamb (for operation and'long term storage)
`
`Tamb (for operation, 2 h max.)
`
`Axial force between bearing surfaces
`
`QUALIFICATION APPI=iovAL
`
`mmmmmmm
`maammama
`
`7173.545_1
`5_..U.U552n...w
`
`The intensifier can be supplied to DEF STAN 59-60 (part.9__0), specification No. 089.
`
`WARNING
`Immediately after operation, the screen will remain electrostatically charged for appro:-Eimate_|\,r 1 hour,
`during which time the intensifier should not be handled. Any attempt to discharge the intensifier by
`any means may result in irreparable damage.
`
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`
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`
`K26
`
`September 1979
`
`Typical transfer characteristic
`
`LuP.
`
`G
`
`1Z3
`
`and are referred to the screen.
`
`If the supply voltage falls below 6.0 V, the intensifier will not be damaged, but may not function,
`
`Prolonged operation with illuminance exceeding 10 mix can reduce the life of the intensifier.
`This corresponds to scene illuminance of deep twilight when the intensi '
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`
`!
`Phetocathode fibre optic
`face
`
` -
`
`I
`
`.
`
`Force on supply contacts must not exceed 10 N
`
`K28
`
`Septelnper 1979