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-   -   RS-320 - Keeps blowing FET's (https://www.radiobanter.com/shortwave/42582-re-rs-320-keeps-blowing-fets.html)

m II May 14th 04 08:02 PM

m II wrote:

G**********A = External Antenna |----o)----| = NE-2 Neon Bulb or Gas
Discharge Tube {EMF Pulses} |**********|
|--|--|--| = Forward Diodes {Minor ESD Discharges} |**********|
|--|--|--| = Reverse Diodes {Minor ESD Discharges} |**********|
|--/\/\/\--| = 10K Ohm Resistor / Potentiometer {Static Bleed}
|****^****** |****|****** |****------| |**********O |**********S =
Switch {Antenna Connection and Dis-Connect} |**********O G**********R
= Radio's External Antenna Input


What the heck....must be something to do with line length/line
feeds...strange..I wrap my lines 72 characters per inch. Your original
post had everything looking fine, in a vertical ladder diagram manner..




mike

[email protected] May 15th 04 03:03 AM

You might also want to head over to Yahoo groups. There's a pretty
active RX-320 group over there. They may have some suggestions as
well.

hth,
jeff

On Thu, 13 May 2004 20:30:49 -0500, Jim wrote:

Anyone else having problem with Ten Tec Rx-320 blowing front end
FET's? Any mods to prevent this or is there a replacement FET with
less tendency to short out? This is definitely a design fault, as I
have 3 receivers in parallel on same antenna and the R320 is the only
one blowing FETs.

I sent it to the factory and they were supposed to perform a mod to
prevent this, but it never worked. Wasted $50.00.

Called factory again, their latest solution - - - sending me a bag of
FET's so I can replace them myself.....




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