[1000mp] MPV Driving SB220

[Jan Erik Holm]

Why is it best?

Yaesu has provided something that can key 300mA @ 220V AC,
the SB-220 keying current/voltage is much much less.

73 SM2EKM
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George (K8GG) & Marijke Guerin wrote:
> Jim Dawson Wrote:
> 
> ----- Original Message ----- From: "Jim Dawson" <k9dd at mvdxcc.org>
> To: "All about Yaesu 1000mp" <1000mp at mailman.qth.net>
> Sent: Monday, October 23, 2006 5:41 PM
> Subject: Re: [1000mp] MPV Driving SB220
> 
> 
>> If I remember correctly, the SB 220 has 115 volts across the relay
>> jack. I doubt the FT1000 would switch it for very long without damage.
>>
>> Jim - K9DD
>>
> This is correct - about 115 VDC - It is best to switch with another 
> relay like the KD9SV front end saver or a transistor switch keyed from 
> the FT1000MP.  The product can be found by going to the SB-220/HL-2200 
> icon at Harbach Electronics website:
> http://www.harbachelectronics.com/ and scrolling down to the SK-220 soft 
> keying module.  I used one successfully some years ago.
> 
> GL es 73,    George    K8GG
> 
> -----snip-----------
> 
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