Radio Frequency Amplifier (22dB HF RX amplifier) AM-4213/FLR-9(V)


Courtesy W1EOF

01.jpg
4-0
02.jpg
4-1
03.jpg
4-2
block diagram
04.jpg
4-3
06a.jpg
4-4
Large schematic 4240x2069
06a1.jpg
4-4 (schematic part 1)
06a2.jpg
4-4 (schematic part 2)
07.jpg
4-5
top view
08.jpg
4-6
bottom view
09.jpg
4-7
amplifier subassembly board top and bottom view
10.jpg
4-8
amplifier subassembly schematic
11.jpg
4-9
complimentary transistor pair simplified schematic
12.jpg
4-10
13.jpg
4-11
1:4 divider - 4:1 combiner top and bottom view
14.jpg
4-12
1:4 divider - 4:1 combiner schematic
15.jpg
4-13
transformer hybris simplified schematic
16.jpg
4-14
17.jpg
4-15
RF filter top view
18.jpg
4-16
RF filter schematic
19.jpg
4-17
voltage divider network rear view
20.jpg
4-18
21.jpg
1-4
Table 1-1 performance characteristics