Hardware description general information, Direct receiver access scorpion ms478a test set – Anritsu ME7840A User Manual

Page 15

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HARDWARE DESCRIPTION

GENERAL INFORMATION

1-4

ME 7840A OMM

AUT

POWER

METER

OPTIONAL

SPECTRUM

ANALYZER

SYSTEM

CONTROLLER

(PC)

RF1

a1

a2

b1

b2

STEP

ATTENUATOR

70dB, 10dB/step

POWER

SUPPLY

COMBINER

RF2

OPTIONAL

MODULATION

SYNTHESIZER

-30dB

-30dB

-30dB

OPTIONAL

EXTERNAL

PRE-AMP

N

N

LIMITER

N

K

K

K

K

K

N

N

N

K

K

K

N

N

DIRECT

RECEIVER

ACCESS SCORPION

MS478A

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

HIGH

POW

ER

TERMINA

TION

N

N

K

K

Indicates coax jumper in the as-shipped configuration

Figure 1-3. Overall Functional Block Diagram of the Option 2 Power Amplifier Test System (PATS) with MS4782A Test
Set

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