[ARC5] Grid Blocked Keying an ARC-5

[Kenneth G. Gordon]

On 13 Jan 2014 at 22:16, Bill Cromwell wrote:

> Grid blocking gets even better. It can be used to also control the
> receiver when shifting from receive to "standby" and can be set up to allow the
> receiver to hear your transmitter instead of using an artificial
> sidetone.

Yup. :-)

> Electronic T-R antenna switches block using transmitted RF

...rectified by the grid-cathode diode in the switch tube...

> to
> block the grid (or gate) of the switch tube (or FET), too. Are you
> ready for more fun?

You bet! :-)

Having a blocking-bias available opens up all sorts of neat things you can do.

Ken W7EKB