Anritsu ME7840A - Manual (Page 109)

PREAMPLIFIER OPERATIONS USE OF EXTERNAL PREAMPLIFIERS
ME7840A OMM 7-3
AUT
POWER
METER
OPTIONAL
SPECTRUM
ANALYZER
SYSTEM
CONTROLLER
(PC)
B2 RF1 B1 A1 A2
STEP
ATTENUATOR
70dB, 10dB/step
POWER
SUPPLY
COMBINER
RF2
OPTIONAL
MODULATION
SYNTHESIZER
-30dB
-30dB
-30dB
N N
LIMITER
N K K
K
K K N N
N K K K N N
DIRECT
RECEIVER
ACCESS
SCORPION
MS4782D
Test
Set
EXT I/O
SOURCE 2 SOURCE 1
STEP
ATTENUATORS
70dB, 10dB/step
RF3
FORWAR
D
REVERSE
TRANSFER SWITCH
RECEIVERS
CURRENT PROBE
ANALOG IN
GPIB
GPIB
CONTROL
LINES
OPTIONAL
EXTERNAL
PREAMPLIFIERS
-30dB
EXTERNAL
CIRCULATOR
N N K K
K
K
K
ATTENUATORS
100
W
TERMINA
TION
USER SUPPLIED
CIRCULATOR &
TERMINATION
Figure 7-1. MS4782A with External Preamplifiers (Moderate Power)