HP 1652B Getting Started Manual page 669

I
1 6 KY
CHANNEL 1 (SAME AS CHANNEL 2)
K2-
ATTENUATOR/
+ ADC
6
PREAMP
AND . /
FISO
c
MEMORY
4
CONTROL
OFFSET
b LOW FREC?. AMP
FROM
SYSTEM BOARD
ASSEMBLY
TRIG
e1e52B19
-TRIGGER
I I
400 MHZ
TY+iER
osc . -)
*
CHl
MUX/
SYNC
ARM SCOPE
> *
2
LEVEL ++
TRIGGER
FINE
*
INTERP.
4
/I--LT-
REAR 1
DIGITAL r)-----
CONTROL
DATA
r
2
OFFSET
ANALOG
INTERFACE
r
2
TRIG
LEVEL
D/A CONV.
FROM SYSTEM
BOARD
ASSEMBLY
Figure
6A-2.
Oscilloscope Assembly Block Diagram
HP
1652B/1653B
Theory of Operation
Service Manual 6A-3