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[AMPS] Feedback path 3-500Z

To: <amps@contesting.com>
Subject: [AMPS] Feedback path 3-500Z
From: i4jmy@iol.it (Maurizio Panicara)
Date: Thu, 28 Sep 2000 20:04:27 +0200
Please show me the reactive components involved in the claimed resonance and
how, and where, they are connected.


73,
Mauri I4JMY

----- Original Message -----
From: "Peter Chadwick" <Peter_Chadwick@mitel.com>
To: <i4jmy@iol.it>
Cc: <amps@contesting.com>
Sent: Thursday, September 28, 2000 5:56 PM
Subject: RE: [AMPS] Feedback path 3-500Z


> Mauri says:
>
> >Which resonance ?
> >Certainly not below 2 MHz !
>
>
> 50 microhenries of plate choke with the shunt plate tuning capacitor, and
the
> capacity of the loading capacitor in parallel (as it is connected through
the
> long lead that is the tank coil), bearing in mind that if the load is not
a
> resistor, but an antenna, at low frequencies, it will tend to look like a
high
> impedance.
>
> We are not talking about 'choke resonance' where the choke with its
inherent
> distributed parasitic componets of reactance resonates, but of choke
resonance
> where the choke is tuned by the other discrete components in the circuit.
>
> 73
>
> Peter G3RZP
>
>



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