At 4/7/2005 08:23 AM, you wrote:
>Its probably the RF amp or mixer transistor. The ER41C is a better
>receiver, especially for repeaters. It has no RF amplifier, just like the
>M2. The low audio sounds like the audio output transistor. It is mounted
>all alone on the heatsink. The "A" model didn't have much audio to begin
>with and the output transistor is notorious for failing.
Come to think of it mine is likely the "C" RX. I had an "A" version a
while back & it did have the RF amplifier, which easily overloaded.
>
>BTW, the ER41C is my favorite repeater receiver. It comes already
>completely shielded and bypassed, it works great, very reliable, and very
>cheap (usually free). With a good preamp (if your noise floor will allow),
>and an RLC Micor squelch, the sensitivity is unbelievable!
Agreed. Only problem is that the IF is too wide for proper adjacent
channel isolation in the 15 kHz-spaced portion of the band. But since
you're in the 20 kHz subband that doesn't matter.
Bob NO6B
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