[ARC5] An "Extra Class" Question:

Geoff geoffrey at jeremy.mv.com
Fri Feb 8 11:26:23 EST 2013


Hard limiting is after the mod transformer and is also called high level 
limiting. That can be real rough on an inadequate transformer as many have 
fried a Johnson, Heath and others.

Carl


----- Original Message ----- 
From: "Peter Gottlieb" <hpnpilot at gmail.com>
To: <arc5 at mailman.qth.net>
Sent: Thursday, February 07, 2013 11:49 PM
Subject: Re: [ARC5] An "Extra Class" Question:


> Hard or soft limiting?
>
>
> On 2/7/2013 11:47 PM, Richard Knoppow wrote:
>>
>> ----- Original Message ----- From: <arc5 at ix.netcom.com>
>> To: "Paddy Ryan" <pei7cn at eircom.net>; <arc5 at mailman.qth.net>; "Geoff" 
>> <geoffrey at jeremy.mv.com>
>> Sent: Thursday, February 07, 2013 11:18 AM
>> Subject: [ARC5] An "Extra Class" Question:
>>
>>
>>> The output tranformer secondary of a plate modulator delivers 300 V RMS 
>>> at 100% modulation.  What device at what specs can be connected across 
>>> this secondary to prevent modulation excursions beyond the specified 
>>> level?
>>>
>>     I am not quite sure if this is a quiz question or a serious question.
>>
>>
>> -- 
>> Richard Knoppow
>> Los Angeles
>> WB6KBL
>> dickburk at ix.netcom.com
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