KJ434
R
423 <
U461
iU455
U420
U45Z
4C457
U457
U459i
U
305
[C440
3454
U442
R320
U 440
R318
Q317
R3417
ta 277
iT163
U 329
CR164»
Q170
L
192, R 192,
R179,
VR176,
R272,
R
274
(Located on
Back of Board)
S.Q152
öl
,Q190|j^^
[T193
CR175¾
k
|^MRC176
1^
CR173
œ'J
^CR
174ln|
R270 cclttap
Q270J»_
.
VR376
!¾Q154
IC178
'"'
tat
7R184
[Q180,
|
C402
l^,2J
■ET”
<4a|Q390lul
□
JT183
1
Qi88j8l!
,0280
7SVLW
u
290
few
Jt^SiciäöS^
Ico
\
'
J22
\
?f$R38^9 ,
J^Ä,R383';
J
0384
1
384
7
J
R385^
h^<R375
♦ •
Jr«VR384Û
!Q364
¾C376l¾765^^ V
¾3”-
jj
¾R36r-
4ijk
«J Si
? R
332 g
'
|VR331j
R331&J
11"
«03741
"1-152^^152
0252
j¾¾/..........
4jK252
«ç y
R
404
A.
\®®R403jf«;
’
R369
1VR364*¾<|
(R
367
¾T
r
365)¾»
sJR371
\JKR363
<R372 J
4R373IÜ
Bi
R
349
£347
_N
R347¾^”
;li<MR345
A1
High Frequency Counter Circuit Board Assembly
|« 670 0993 Ot
“/,
■
CC
<
■ '
;
—
v¾S<^
s^BO288^2»8
: ■ ,-yp, ■pjF
-
'R254
T" ‘V
5CRÎ65J
*¾R288|iS¾a
V
j
,
,
Содержание 7D14
Страница 4: ...7D14 ...
Страница 11: ...Operating Instructions 7D14 Fig 2 1 7D14 front panel controls and connectors 2 2 ...
Страница 24: ...W Fig 3 3 Channel A Signal Conditioning circuit detailed block diagram Circuit Description 7D14 ...
Страница 33: ... 3 13 Fig 3 11 Logic diagram for Zero Cancel Logic stage Circuit Description 7D14 ...
Страница 38: ...3 18 Fig 3 16 Time Base and Control circuit detailed block diagram Circuit Description 7D14 ...
Страница 44: ...NOTES ...
Страница 46: ...NJ Fig 4 1 Electrode configuration for semiconductors in this instrument I ...
Страница 68: ...NOTES ...
Страница 96: ... 7DI 4 DIGITAL COUNTER UNIT ...
Страница 98: ...GRS 0371 BLOCK DIAGRAM ...
Страница 99: ......
Страница 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 ...
Страница 106: ...1 ...
Страница 110: ...A2 Logic Circuit Board Assembly jQ798i 798 jc743 CR744t uni R724 R742 JL744S FrR796 ...
Страница 113: ......
Страница 114: ...P 0 A2 LOGIC BOARD ...
Страница 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 ...
Страница 129: ......
Страница 130: ...4 7D14 DIGITAL COUNTER ...