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Cobra 150GTL and 200GTL TSB

DTB Radio

Well-Known Member
Sep 14, 2005
1,101
205
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Carlisle, PA. USA
www.dtbradio.com
www.dtbradio.com/200tsb/

This file was sent to me by Ramon Sandoval, Product Engineer for Cobra.

"Also try this:
place a 220pf cap from base to emitter (gnd) of Q-3. This allows T-701 to be peaked with the Noise Blanker ON for a 2 dB NB figure of merit. This does not affect overall sensitivity of the receiver, and still gives 57 dB of Adjacent Channel Rejection

Q 3 is located near the top right corner of T 707 on both the 150 and 200 GTL DX."

-Ramon
 

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  • @ heartbreaker3473:
    Hello gentlemen and Ladies. I have the dreaded RCI-2990 receive issue where my radio gets distorted when people get close to my location. I found the C90 Capacitor, but I can not for the life of me find the C89 capacitor. Can or does anyone have a picture of the exact location of C89 ? Thank you in advance, Wes
  • @ AudioShockwav:
    Wes, it's better if you start a thread on the main forum, more people are going to see your question.
  • @ heartbreaker3473:
    Okay, sorry, will put in a forum
  • @ heartbreaker3473:
    I put it in the general disscution help area and started a new thread. Thank you for letting me know.