Atec Agilent-8703A - Manual (Page 4)

4
Agilent 8703A
Block diagram
S S S
MICROWAVE TEST SET
LIGHTWAVE TEST SET
INFORMATION
PROCESSOR
RF Port 1 RF Port 2
Optical
Output
External
Laser
Input
(Opt. 100 Only)
Auxiliary
Optical
Input
(Opt. 300 Only)
Optical
Input
RF
Input
RF
Output
Samplers ALC
Phase
Lock
Sampler Drive
Bias
Tee
Bias
Tee
0.13–20 GHz
RF Source
Step
Attenuator
MOD
External
Detector
DAC
MOD ALC
DC
Block
Optical
Switch
(Opt. 100
Only)
Polarization
Controller
(Peak)
Isolator
Laser
1300 or
1550 nm
Optical
Modulator
Bias
Tee
DAC
Input Coupled Test
Port
Lightwave
Directional Coupler
Photodiode
Receivers
Figure 1. Simplified block
diagrams for lightwave and
microwave test sets and
information processor