Tektronix 2467B

Theory of Operation—2465B/2467B Service
CH2 OUT
CD
READOUT
READOUT
REQUEST
CD-
READOUT
VERTICAL
OUT
VERTICAL
CHANNEL
SWITCH
<§>
READOUT HORIZONTAL OUT
DELAY LINE
78ns
BWL ■»
READOUT
ACKNOWLEDGE
DISPLAY
SEQUENCER
<5>
6' li
0)T '
T5
TRACE SEP
HORIZONTAL SELECTS
INT CONTROL
HOLDOFF
A GATE
DLY SELECT
OLY SWP
HOLDOFF
GATE
B GATE
^
TRIGGERS
<S>
A TRIG
CD-
A
SWEEP
A DELAY GATE
CD
«—»
E
B GATE
DELAY
GATE
SWITCH
<5>
A DELAY GATE
B TRIG
CD-
B
SWEEP
<s>
A GATE
A DLY
GATE
B GATE
CNTL1
A
SWEEP
B DLY GATE
B SWEEP
HIGH-VOLTAGE
POWER SUPPLY
VERTICAL
AMPLIFIER
<§>
VERT SIG
-1KV (2467B)
+14KV (2465B)
+ 15KV (2467B)
-1.9KV
READOUT SELECT
EXT Z IN
Z-AXIS
AMPLIFIER
-2KV
r
2
DC
RESTORER
SWEEP
AND
MEASUREMENT
LOGIC
<»>
Z-AXIS
OUT
A GATE
B GATE
HORIZONTAL
AMPLIFIER
HORIZ SIG
ih
CRT
fh
2467B
MCP BIAS
AMPLIFIER
■o »
rh §
6863-33
Figure 3-1. Instrument block diagram (cont).
3-3