A20 Lowband - Agilent Technologies PSA Series Service Manual

Troubleshooting the RF Section (E4446A, E4447A, E4448A)
RF Section Description (E4446A, E4447A, E4448A)

A20 Lowband

The Lowband assembly is the front end converter for frequencies below
3 GHz and the 2
The Lowband assembly encompasses both the first and second mixers,
the 2
Figure 4-7 Lowband Assembly Block Diagram
Mixing equation:
104
nd
converter for input frequencies 26.8 GHz to 50 GHz.
nd
LO amplifiers, LO Nulling and filtering.
F
LO
F
IF
= F + F
RF IF
= 3.9214 GHz
Chapter 4