Search found 3 matches

by W9AC
Fri Nov 07, 2008 9:09 pm
Forum: Modification Maddness
Topic: Audiophile-Grade Capacitor Upgrades
Replies: 3
Views: 21351

Re: Terrific News!

> "Of course using NO coupling caps would be the best, but we all know that there necessary." Unfortunately, most amateur radio gear does not use bi-polar power supplies on the audio chips. When op-amps are powered by +/- dual-polarity supplies, then coupling caps can be completely eliminated throug...
by W9AC
Sun Nov 02, 2008 9:50 am
Forum: Modification Maddness
Topic: Audiophile-Grade Capacitor Upgrades
Replies: 3
Views: 21351

Audiophile-Grade Capacitor Upgrades

The vast majority of audio mods made to a transceiver includes a re-scaling of audio coupling capacitors and/or resistors. Although the Panasonic FC series has been used in many mods, I have begun using Nichicon caps -- most recently when I was modifying my Elecraft K3's ESSB Rx and Tx audio respons...