[1000mp] Interfacing Ameritron AL-80B with Yaesu FT1000 MP Mark V

[Pete Smith]

At 07:11 PM 10/19/02 -0700, you wrote:
>Now the guys at Burghardt's said that I should use a relay anyway, like
>Craig WA2TWF suggests.  Is the 100 VAC @ 500mA handling capacity that Yaesu
>claims inadequate, or wrong?  I use my Heath linear with a Drake C line, and
>I've never had any problem.  I guess inquiring minds would like to know.


The problem with the SB-220 is that there's no snubbing diode on the relay, 
which operates at ~110VDC, so you can get some fairly substantial current 
surges.  I used a 220-ohm series current limiting resistor with my TS-930, 
but if you have any concerns at all I'd suggest installing the Harbach 
"soft-key" circuit in your SB-220.  It limits the switched voltage to low 2 
digits and a few MA.


73, Pete N4ZR
Sometimes a tower is just a tower