Electrical
Parts List
—7D14
Al
HIGH
FREQ
COUNTER
Circuit
Board
Assembly (cont)
Ckt.
No.
Tektronix
Serial/Model
No.
Part
No. Eff
Disc
Description
Resistors
(cont)
R404
317-0511-00
510Ω
¼w
R406
321-0176-00
B010100
B010102
665
Ω
¼W
Prec
R406
321-0171-00
B010103
590
Ω
¼w
Prec
R408
317-0511-00
510Ω
¼W
R410
317-0390-00
39
Ω
¼w
5%
1%
1%
5%
57=
Transformers
R411
317-0332-00
3.3
kΩ
¼w
R414
317-0102-00
1 kΩ
¼w
R417
317-0471-00
470
Ω
¼w
R418
317-0100-00
10Ω
¼w
R419
317-0751-00
750
Ω
¼ w
R423
317-0392-00
3.9 kΩ
¼w
R426
317-0153-00
15 kΩ
¼w
R428
317-0153-00
15
kΩ
¼w
R430
317-0153-00
15
kΩ
¼w
R432
317-0153-00
15
kΩ
¼w
R454
315-0102-00
1
kΩ
¼w
5%
5%
5%
5%
5%
57=
5%
57=
57=
57=
57=
T143
*120-0286-00
T163
*120-0286-00
XB010103
T183
*120-0444-00
T193
*120-0444-00
T346
*120-0444-00
Toroid, 2
turns,
bifilar
Toroid, 2
turns, bifilar
Toroid,
5
turns, bifilar
Toroid,
5 turns, bifilar
Toroid,
5 turns, bifilar
Integrated
Circuits
U161
156-0067-00
Op amp.
Replaceable
by Fairchild µA741C
U305
156-0048-00
Linear.
Replaceable
by
RCA
CA3046
U329
*155-0046-00
Monolithic
U420
156-0048-00
Linear.
Replaceable
by RCA CA3046
U434
156-0030-00
Quad
2-input gate.
Replaceable by T.l. SN7400N
U440
156-0097-00
U442
156-0097-00
U444
156-0091-00
U446
156-0091-00
U448
156-0091-00
U450
156-0091-00
U452
156-0091 -00
U455
156-0091-00
Presettable high
speed
decade counter. Replaceable by
Signetics selected
N8290A
Presettable
high speed decade counter. Replaceable by
Signetics
selected
N8290A
Presettable
low pwr decade counter. Replaceable by
Signetics
N8292A
Presettable
low pwr decade counter. Replaceable
by
Signetics
N8292A
Presettable
low
pwr decade counter. Replaceable by
Signetics
N8292A
Presettable
low pwr decade counter.
Signetics
N8292A
Presettable
low pwr decade counter.
Signetics
N8292A
Presettable
low pwr decade counter.
Signetics
N8292A
Replaceable
by
Replaceable
by
Replaceable
by
6-11
Summary of Contents for 7D14
Page 4: ...7D14 ...
Page 11: ...Operating Instructions 7D14 Fig 2 1 7D14 front panel controls and connectors 2 2 ...
Page 33: ... 3 13 Fig 3 11 Logic diagram for Zero Cancel Logic stage Circuit Description 7D14 ...
Page 38: ...3 18 Fig 3 16 Time Base and Control circuit detailed block diagram Circuit Description 7D14 ...
Page 44: ...NOTES ...
Page 46: ...NJ Fig 4 1 Electrode configuration for semiconductors in this instrument I ...
Page 68: ...NOTES ...
Page 96: ... 7DI 4 DIGITAL COUNTER UNIT ...
Page 98: ...GRS 0371 BLOCK DIAGRAM ...
Page 99: ......
Page 103: ...0 0 I 200 mV 500 µs 0 001 200 mV 500 µs 0 001 MHz 00 mV E 00 µs 0 001 MHz ...
Page 106: ...1 ...
Page 110: ...A2 Logic Circuit Board Assembly jQ798i 798 jc743 CR744t uni R724 R742 JL744S FrR796 ...
Page 113: ......
Page 114: ...P 0 A2 LOGIC BOARD ...
Page 121: ... A B D t F H J NPR Tj ZWX V A AC M AEA HUM qAZ DEF HJ N P R S T J V V7X y ABM APAI AA 7DI4 ...
Page 129: ......
Page 130: ...4 7D14 DIGITAL COUNTER ...