Do your comments hold true for the L coil?
The tapped L network coil in most amplifiers uses a shorting switch.
73
Jim W7RY
> -----Original Message-----
> From: xxw0qe@comcast.net
> Sent: Mon, 02 Aug 2010 11:05:19 -0600
> To: amps@contesting.com
> Subject: Re: [Amps] New HF amplifier
>
> What are you using as the basis for this blanket comment? There is
> absolutely nothing wrong with tapped toroids. What causes problems is
> treating them as is usually done for air core coils which have the
> unused turns shorted out. On a toroid you do NOT short out any turns if
> some of the turns are active. Otherwise you get significant loss and
> heating in the toroid.
>
> Larry, W0QE
>
> Dennis OConnor wrote:
>> Tapped toroids show that the designer was too cheap to do the job
>> right...
>>
>> Built cheap, for the cheap! Move along folks, nothing to see here...
>> Move along... Keep moving...
>>
>>
>> denny / k8do
>>
>>
>>
>>
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