R&S ZVA8 - Page 311

R&S ZVA Repairs
1177.5333.02 3.3 E-11
Fig. 3-2 Block diagram of the ZVA8, ZVA24, ZVA40, ZVA50 and ZVA67 four ports
With option generator/receiver attenuator on port1,
option direct generator/receiver access on port2,
options generator/receiver attenuator and direct generator/receiver access on port3.
RECEIVER
REF PORT 1
NETCON
ANALOG
1
NETCON
DIGITAL
1
GRAPHICS
DISPLAY
SYNTHESIZER 1
15 to 21MHz
POWER
SUPPLY
RECEIVER
MEAS PORT 1
PORT 1
RECEIVER
REF PORT 2
GENERATOR
PORT 2
RECEIVER
MEAS PORT 2
PORT 2
SYNTHESIZER 2
RECEIVER
REF PORT 3
NETCON
ANALOG
2
NETCON
DIGITAL
2
15 to 21MHz
GENERATOR
PORT 3
RECEIVER
MEAS PORT 3
RECEIVER
REF PORT 4
GENERATOR
PORT 4
RECEIVER
MEAS PORT 4
GENERATOR
PORT 1
PORT 4
FREQUENCY
REFERENCE
OPTION
OCXO
ZVAB-B4
BRIDGE PORT 1 (ZVA8)
COUPLER PORT 1 (ZVA24, 40, 50, 67)
OPTION
GENERATOR
ATTENUATOR
OPTION
RECEIVER
ATTENUATOR
PORT 1
OPTION
RECEIVER
ATTENUATOR
OPTION
GENERATOR
ATTENUATOR
PORT 3
BRIDGE PORT 2 (ZVA8)
COUPLER PORT 2 (ZVA24, 40, 50, 67)
BRIDGE PORT 3 (ZVA8)
COUPLER PORT 3 (ZVA24, 40, 50, 67)
BRIDGE PORT 4 (ZVA8)
COUPLER PORT 4 (ZVA24, 40, 50, 67)