Tektronix 2465B Service Manual

Theory of Operation—2465B/24
C
7B Service
CH2 OUT
VERTICAL
CHANNEL
SWITCH
DELAY LINE
78ns
BWL
HIGH-VOLTAGE
POWER SUPPLY
VERTICAL
AMPLIFIER
<s>
VERT SIS
-1KV (2467B)
+ 14KV (2465B)
+ 15KV (2467B)
-1.9KV
READOUT SELECT
EXT Z IN
Z-AXIS
AMPLIFIER
<$>
S-2KV
'2
IM
CRT
DC
RESTORER
SWEEP
AND
MEASUREMENT
LOGIC
<s>
Z-AXIS
OUT
A GATE
B SATE
HORIZONTAL
AMPLIFIER
<£>
HORIZ SIG
fh
2467B
MCP BIAS
AMPLIFIER
■S) £
/77 2
6863-33
Figure 3-1. Instrument block diagram (cont).
3a-3

Tektronix 2465B Specifications

General

Bandwidth	400 MHz
Channels	4
Vertical Sensitivity	2 mV/div to 5 V/div
Maximum Input Voltage	400 V (DC + peak AC)
Display	CRT
Trigger Modes	Auto, Normal, Single
Time Base Range	500 ps/div to 0.5 s/div
Rise Time	875 ps
Power Supply	48 to 440 Hz
Dimensions	495 mm