Title: Micor PA question

If it is the 150-162 version (TLD1693), it will work OK but you will run out of tuning range on the 2 trimmer caps when you try to tune it to the 146-148 range. You can solder 10 pf (2Kv) caps in parallel to those 2 trimmer caps to optimize the tuning and optimize the power transfer between stages get a few more watts output.

 

The purists in the group will tell you that other more extensive modifications should be made to convert it to a TLD1692 (142-150) but many unmodified TLD 1693 amps have worked for years on 2 meter repeaters without all the “serious surgery” .

 

Ron Rogers
WW8RR

 


From: Kevin Bednar [mailto:[EMAIL PROTECTED]
Sent: Thursday, January 20, 2005 10:38 AM
To: [email protected]
Subject: [Repeater-Builder] Micor PA question

 

I have a 110 watt PA from a micor base, that was on the low end of the 150mhz range. Am I correct in assuming this should tune up fine on the 2 meter band? Also, I believe these require about 400mw drive but I want to confirm it. I think I have the schematics for this someplace but have to dig them up if needed. TIA to all.

Kevin
K2KMB
















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