Hello,
That Q1 is MAV1-0104 made by Mini-Circuits. This part is exact
replacement for the MSA-0104, which was in TenTec kits early.
The schematic of that pre-amp is pretty simple:
+12 V
|
[ ] (470 Ohm)
|
L1 (100uH)
|
50ohm input ---||-- Q1 -----------------||-----50 Ohm output
0.01 0.01
You are overdriving the amplifier. What is the part number of Q1? It
looks like a MAR-xx something.
The Tentek page does not have any good technical details on the amp
that I could find. What info do you have?
Regards
--
WBW,
V.P.
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