Chapter 3 73
Troubleshooting the RF Section (E4440A, E4443A, E4445A)
RF Section Description (E4440A, E4443A, E4445A)
Figure 3-2 RF Section Assemblies - E4440A, E4443A, E4445A
Item Description
1
J1 Input Connector
2 A14 Attenuator/Switch
3 A15 Attenuator
4 L-bracket, RF Main
5 A18 YTO, 2.9 to 7 GHz (Yig Tuned Oscillator)
6A19 RYTHM
7 A20 Low Band Assembly
8 FL1 Low Pass Filter, 3 GHz
9 A21 SLODA (Switched LO Distribution Amplifier)
10 FL2 Band Pass Filter, 3.9214 GHz
11 A22 Preamp Assembly (Option 1DS)
12 A27 Electronic Attenuator (Option B7J)