7102

The spectral response of ANODE-SUPPLY VOLTAGE (DC or Peak AC) . 1500 max. volts

1500 V

The spectral response of ANODE-SUPPLY VOLTAGE (DC or Peak AC) . 1500 max. volts

SUPPLY VOLTAGE BETWEEN DYNODE No

10 V

SUPPLY VOLTAGE BETWEEN DYNODE No.10

the 7102 covers the range from AND ANODE (DC oF Peak AC). . . . . 250 max. volts

250 V

the 7102 covers the range from AND ANODE (DC oF Peak AC). . . . . 250 max. volts

about 4200 to 11000 angstroms SUPPLY VOLTAGE BETWEEN CATHODE AND

11000 V

about 4200 to 11000 angstroms SUPPLY VOLTAGE BETWEEN CATHODE AND

as shown i Fi | Max i DYNODE No.1 (DC or Peak AC). « » « « « . . 400 max. volts

400 V

as shown i Fi | Max i DYNODE No.1 (DC or Peak AC). « » « « « . . 400 max. volts

cathode having a minimum dia- With E = 1250 volts (except as noted)

1250 V

cathode having a minimum dia- With E = 1250 volts (except as noted)

electrostatically focused dynode stages. The rela~- 8000 angstroms - 400 - pa/

400

electrostatically focused dynode stages. The rela~- 8000 angstroms - 400 - pa/

8000 angstroms . _ 0.0027 _ pal ww

0.0027

8000 angstroms . _ 0.0027 _ pal ww

At 0 cps . . . . 1 4.5 30 amp /

1 A

At 0 cps . . . . 1 4.5 30 amp /1umen

resolution. Foran input pulse having a duration electrode™ . . - 2.7 - amp/

1 A

resolution. Foran input pulse having a duration electrode™ . . - 2.7 - amp/1umen

seconds measured at 50 per cent of the maximum w‘;gulrgzg:(lggg

50 s

seconds measured at 50 per cent of the maximum w‘;gulrgzg:(lggg

R current Amplification

150000

. . . R current Amplification - 150000 -

microseconds. The transit-time spread can be re— park-current Input® - 3.3 x 10T 5.5 x

1078 W

microseconds. The transit-time spread can be re— park-current Input® - 3.3 x 10T 5.5 x 1078 watt

1.5 x 10719 8.4 10

-10 W

1.5 x 10719 8.4 10-10 watt

only a small central area of the photocathode. With E = 1500 volts (except as noted)

1500 V

only a small central area of the photocathode. With E = 1500 volts (except as noted)

DATA Radiant, at 8000 angstroms . . — 1250 - ual pw

1250

DATA Radiant, at 8000 angstroms . . — 1250 - ual pw

General: angstroms. « + + « ¢ 4 . . . — 0.0027 - pal

0.0027

General: angstroms. « + + « ¢ 4 . . . — 0.0027 - pal

wavelength of Maximum Response . . 8000 % 1000 angstroms AL O CPS « v v v e e . = 14 ~ amp/umen

14 A

wavelength of Maximum Response . . 8000 % 1000 angstroms AL O CPS « v v v e e . = 14 ~ amp/umen

Shape. Circular electrode™ e e e = 8.4 - amp/lumen

8.4 A

Shape. Circular electrode™ e e e = 8.4 - amp/lumen

current Amplification

465000

current Amplification. . . . . - 465000 -

b Averaged over any interval of 30 seconds maximum

30 s

b Averaged over any interval of 30 seconds maximum.

the value of 1ight flux is 0.01 lumen and 150 volts i EMAX, VALUET T

150 V

the value of 1ight flux is 0.01 lumen and 150 volts i EMAX, VALUET T

T Measured at 8000 angstroms. z

8000

T Measured at 8000 angstroms. z

supply voltage (E) adjusted to give a luminous sensi- I

1 V

supply voltage (E) adjusted to give a luminous sensi- I 1

tivity of 4 amperes per lumen. Dark current caused by z

4 A

tivity of 4 amperes per lumen. Dark current caused by z

1250 volts, 259 ¢ tube temperature, ac-amplifier band— <

60 V

1250 volts, 259 ¢ tube temperature, ac-amplifier band— < 60

width of 1 cycle per second, tungsten light source at f i

1 s

width of 1 cycle per second, tungsten light source at f i

incident luminous flux, at constant electrode voltages 3000 5000 00

11000 V

incident luminous flux, at constant electrode voltages 3000 5000 00 3000 11000

2870° K SOURCE AFTER PASSING THROUGH tn general, the operating voltages for the

2870 V

2870° K SOURCE AFTER PASSING THROUGH tn general, the operating voltages for the

100 to 125 volts. The voltage between dynode

125 V

100 to 125 volts. The voltage between dynode

3000 5000 7000 9000 11000 tain the indicated operating voltage between

11000 V

3000 5000 7000 9000 11000 tain the indicated operating voltage between

to the rated maximum value of

400 V

to the rated maximum value of 400 volts.

the cathode can not be detected. The dark cur-— the maximum rated value of 10 microamperes is

10 A

the cathode can not be detected. The dark cur-— the maximum rated value of 10 microamperes is

EACH SUCCEEDING ~DYNODE - STAGE VOLTS

104 V

EACH SUCCEEDING ~DYNODE - STAGE VOLTS 104 T

I-10: DYNODES I LAMP OPERATED AT COLOR TEMPERATURE =

10

I-10: DYNODES I LAMP OPERATED AT COLOR TEMPERATURE =

VOLTS BETWEEN ANODE & DYNODE N

10 V

VOLTS BETWEEN ANODE & DYNODE N210

(E) in the range from (000 to 1250 volts. With-—

1250 V

(E) in the range from (000 to 1250 volts. With-—

second. At voltages above 1250 volts, regener-—

1250 V

second. At voltages above 1250 volts, regener-—

ice, tocool the bulb of the 7201 is recommended. ANODE MICROAMPERES

7201 A

ice, tocool the bulb of the 7201 is recommended. ANODE MICROAMPERES

When stability of operation 1s important, amplification per stage raised to the nth power,

1

When stability of operation 1s important, amplification per stage raised to the nth power,

smal! variations in amplification per stage pro- With certain orientations of the 7102, it

7102

smal! variations in amplification per stage pro- With certain orientations of the 7102, it

to be able to adjust the amplification of indi- indicated. With increase in voltage above

100 V

to be able to adjust the amplification of indi- indicated. With increase in voltage above 100

OF £ BETWEEN DYNODE N210 AND ANODE. SUPPLY VOLTAGE (E) ACROSS VOLTAGE DIVIDER PROVIDING

10 V

OF £ BETWEEN DYNODE N210 AND ANODE. SUPPLY VOLTAGE (E) ACROSS VOLTAGE DIVIDER PROVIDING

— AMPERES/ LUMEN b

5115 A

— AMPERES/ LUMEN b 5115 !

voltage—adjustment range reqguired to take care > SI87a17% &

7 V

voltage—adjustment range reqguired to take care > SI87a17% &

determined from Fig.7. For example, if a sensi~- a g LAY =

8

determined from Fig.7. For example, if a sensi~- a g LAY = 8

age of about 1250 volts, and on the '"maximum" g 2 i/

2 V

age of about 1250 volts, and on the '"maximum" g 2 i/ 2

sensitivity curve to a supply voltage of

910 V

sensitivity curve to a supply voltage of 910 r

volts. Therefore, provision should be made to 0.0l /

100 V

volts. Therefore, provision should be made to 0.0l / 100

910 to 1250 volts. L

7 V

910 to 1250 volts. L 7

10 megohms to a potential near that of the cath

10 ohm

10 megohms to a potential near that of the cath-

pedance in the order of |0 megohms to the poten- The dc¢ supply voltages for the electrodes

0 V

pedance in the order of |0 megohms to the poten- The dc¢ supply voltages for the electrodes

@ 10°] DYNODE-N2{-TO- CATHODE VOLTS =

6 V

@ 10°] DYNODE-N2{-TO- CATHODE VOLTS = 208 (6°

S EACH-SUCCEEDING-DYNODE - STAGE VOLTS =104 r taps on a voltage divider across the rectified

104 V

S EACH-SUCCEEDING-DYNODE - STAGE VOLTS =104 r taps on a voltage divider across the rectified

53 N [ ANODE-SUPPLY VOLTAGE = CONSTANT

53 V

53 N [ ANODE-SUPPLY VOLTAGE = CONSTANT

Ro _ P ~12 [ | * TOTAL VOLTAGE-DIVIDER CURRENT /

12 V

Ro _ P ~12 [ | * TOTAL VOLTAGE-DIVIDER CURRENT /

VOLTS PER STAGE=I

0 V

VOLTS PER STAGE=I100

the leads from the 7102 to the amplifier should the use of a rectifier of the fuli-wave type is

7102

the leads from the 7102 to the amplifier should the use of a rectifier of the fuli-wave type is

recommended. Sufficient filteringwill ordinari— The high voltages at which the %102 1s oper—

1 V

recommended. Sufficient filteringwill ordinari— The high voltages at which the %102 1s oper—

tical dependence of the gain of the 7102 on volt- potential terminals and the use of interiock

7102 V

tical dependence of the gain of the 7102 on volt- potential terminals and the use of interiock

€1 €2: 2 uf, 1000 volts (dc working)

1000 V

€1 €2: 2 uf, 1000 volts (dc working)

C1 C2 ¢3: 16 uf, electrolytic, 450 volts (dc working) C3 c¥: 8 uf, electrolytic, 150 volts (dc worki

150 V

C1 C2 ¢3: 16 uf, electrolytic, 450 volts (dc working) C3 c¥: 8 uf, electrolytic, 150 volts (dc working)

c4 ¢5: 8 uf, electrolytic, 150 volts (dc working) Required only if high peak currents are drawn

150 V

c4 ¢5: 8 uf, electrolytic, 150 volts (dc working) Required only if high peak currents are drawn.

R1: 100000 ohms, 1/2 watt R1: 39000 ohms,

2 W

R1: 100000 ohms, 1/2 watt R1: 39000 ohms, 2 watts

R2 R3 R¥ R5 R6 R7 RB 50000 ohms, 1/

2 W

R2 R3 R¥ R5 R6 R7 RB 50000 ohms, 1/2 watt

R9 R10: R2 R3 R4 R5 R6 R7 R8 R9 R10: 18000 ohms,

1 W

R9 R10: R2 R3 R4 R5 R6 R7 R8 R9 R10: 18000 ohms, 1 watt

R11: 33000 ohms, 1/2 watt R11: 12000 ohms,

1 W

R11: 33000 ohms, 1/2 watt R11: 12000 ohms, 1 watt

R12: 100000 ohms, 1 watt, adjustable, Centralapb a122, R12: 200000 ohms, 12 watts, adjustable, Gener

12 W

R12: 100000 ohms, 1 watt, adjustable, Centralapb a122, R12: 200000 ohms, 12 watts, adjustable, General Radio

Circuit with Voltage Divider for Supplying Fig.12- Full-Wave Rectifier Power-Supply Circuit

12 V

Circuit with Voltage Divider for Supplying Fig.12- Full-Wave Rectifier Power-Supply Circuit

DC Voltages to Type 7102. with Voltage Divider for Supplying DC Voltages

7102 V

DC Voltages to Type 7102. with Voltage Divider for Supplying DC Voltages

dc supply voltage is provided by means of a In the use of the 7102, as with other tubes

7102 V

dc supply voltage is provided by means of a In the use of the 7102, as with other tubes

mately 8000 angstroms. Characteristics Range Values for Equipment Design

8000

mately 8000 angstroms. Characteristics Range Values for Equipment Design:

The load resistance has a value of 0.01 megohm. il

0.01 ohm

The load resistance has a value of 0.01 megohm. il