¿ªÔÆÌåÓý

Re: Unbalancing mixer


 

So that means that unbalancing the mixer will never be a legitimate way to introduce a carrier for tuning purposes?


Roy
WA0YMH


On Feb 19, 2017 10:37 PM, "Ashhar Farhan" <farhanbox@...> wrote:
The center tap that takes the audio from the mic. A caveat though, the carrier is on the skirt rather than in the center of the filter.
- f

On 20 Feb 2017 7:58 a.m., "Ken" <chase8043@...> wrote:
4.7K resistor from center tap of R106 to 12 volts?

73

Ken VA3ABN

On Sun, Feb 19, 2017 at 8:40 AM, Ashhar Farhan <farhanbox@...> wrote:
You can inject a few millamps into the modulator at the center tap.
- f

On 19 Feb 2017 7:09 p.m., "Ken" <chase8043@...> wrote:
How do I go about unbalancing the mixer to produce a carrier?

I know that R106 balances the mixer for no carrier. So I assume a small value resistor to unbalance it.

73

Ken VA3ABN


Join [email protected] to automatically receive all group messages.