[Amps] .82 ohm

[Tony King]

Rich hasn't mentioned the good meter protection info on his web site: 
<http://somis.org/D-amplifiers2.html> topic "Glitch Protection" and this 
diagram: <http://somis.org/D_a_02.GIF>.

No use having a good meter staring you in the face that is doing nothing ;)

73, Tony W4ZT

At 04:05 AM 12/9/2004, R.Measures wrote:

>On Dec 8, 2004, at 1:52 PM, kwasny wrote:
>
>>I considered but did not want to garbage it up to bad but considering the
>>availability of .82 ohm I think that I will use the 12x10 ohms.
>A SB-220 amplifier will work just a well with a 0-ohm jumper in place of 
>R3 and it would tune up the same.  .  .  Or, we sell 0.82-ohm 2w MF 
>resistors for 20¢.  However, the condition that caused the HV+ arc to 
>ground - which occasionally causes R3 to blow probably should be addressed 
>--  unless of course you have a free supply of 3-500Zs and Heath 200uA 
>meter movements.
>
>>Darryl - K5WAS
>>
>>
>>>"I would like to get a .82 ohm resister put back in but may test the amp
>>with a
>>>jumper. They are mighty scarce around here as are other values. The only
>>>thing we have in this area are Radioshacks"
>>>
>>>
>>>If all you have is Radio Shack, 12 x 10 ohm 1/2 watt resistors in parallel
>>would be .83 ohms.  That would be within the normal tolerance of resistors
>>and still be pretty small.
>>>
>>>Colin  K7FM
>>>
>>
>>
>
>Richard L. Measures, AG6K, 805.386.3734.  www.somis.org