[Boatanchors] Cheap & Easy Selectivity

[rbethman]

The Handbook say to use a "short wire", attached to the grid, and add a 
small amount of capacitance, creating feedback by bring the loose end in 
near proximity to the plate lead.

This is a paraphrased condensation of the several paragraphs.

Bob - N0DGN

AI2Q wrote:
> Sounds like what a Q-multiplier box does.
>
> Vy 73, AI2Q, Alex
>
> ----- Original Message ----- From: "rbethman" <rbethman at comcast.net>
> To: "Boatanchors" <boatanchors at mailman.qth.net>
> Sent: Thursday, August 20, 2009 2:19 PM
> Subject: Re: [Boatanchors] Cheap & Easy Selectivity
>> The 1948 ARRL handbook hits it in Chap 5,  High Frequency Receivers,
>> Improving Receiver Selectivity, IF Amplifiers, then under a minor
>> heading:  Regeneraton.  pp115-116.
>>
>> This is essentially ADDING Regen to a Superhet.
>>
>> Bob - N0DGN