Re: [Amps] QSK for TL-922

[bb <bbolin@yadtel.net>]

> -  Two high-speed, SPST RF relays are used to replace the stock, pokey, 
> DPDT original T/R switching relay.  An electronic cathode bias switch is 
> used to replace the bias switching relay next to the fan.  ///  note -- 
> the reason that a SPST vacuum relay is required to switch the output is 
> that no DPDT vacuum relay is fast enough.
Richard,
I was wondering has anyone tried hitting the relay 2 or 3 times the coil
voltage?
The equipment I work with,  to get faster times on air valves we take a circuit
and hit the coil with a little over 3 times the coil voltage for 7-10ms and 
then ramp the
voltage down to about 1/2 of the coil voltage for holding.
Not sure if the mechanical parts of the vacuum relay can hold up to this
never had one apart it may be worth testing.

Just a thought.
Bennie

_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps