Anritsu ME7840A Use Of External Preamplifiers, Preamplifier Operations, ME 7840A OMM, Scorpion

USE OF EXTERNAL PREAMPLIFIERS PREAMPLIFIER OPERATIONS

			SOURCE 2			SOURCE 1
	RECEIVERACCESS									GPIB	SYSTEM
											CONTROLLER
											(PC)
		SCORPION				REVERSE	FORWAR
							D
								TRANSFER
								SWITCH			GPIB
				STEP
				ATTENUATORS
				70dB, 10dB/step
	DIRECT
										ANALOG IN
						RECEIVERS
										EXT I/O
			RF3	RF1	A1	B1	B2	A2	RF2
			N	N	K	K	K	K	N	CONTROL
	EXTERNAL									LINES
	PREAMPLIFIERS
										ATTENUATORS
			N	N	K	K	K	K	N
			COMBINER
Set	Shown)										K
Test	(Partially
											OPTIONAL
											SPECTRUM
											ANALYZER
				-30dB
				-30dB
											POWER
											METER
	N	K	K	N					N	N
						AUT
											POWER
											SUPPLY
HYBRID COUPLER/									CURRENT PROBE
COMBINER
			TERMINATIONS

Figure 7-2.MS4782A with External Combiner

7-4 ME 7840A OMM