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Re: [Amps] What to do about 'Neutral' in HB amp?

To: Robert W5AJ <woodr90@gmail.com>
Subject: Re: [Amps] What to do about 'Neutral' in HB amp?
From: Jim <jimw7ry@gmail.com>
Date: Wed, 28 Dec 2022 18:44:06 -0600
List-post: <mailto:amps@contesting.com>
Telling someone they are wrong is a personal attack?

Can you tell me how that is Bob?


Thanks, 73, Jim W7RY

On 12/28/2022 6:30 PM, Robert W5AJ wrote:
wonder who's read the list welcome message lately (click amps link at bottom of any of the messages)

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Minimize noise, minimize bandwidth, maximize Amplifier information, act like gentlemen and enjoy!


Please folks - Minimize noise!!

73

On Wed, Dec 28, 2022 at 6:26 PM Jim <jimw7ry@gmail.com> wrote:


    Thanks, 73, Jim W7RY

    On 12/28/2022 5:29 PM, n4is@comcast.net wrote:
    >
    > Whats a catch 22?
    >
    > You need to connect the Amp chassis to the AC neutral (wire
    connected to the
    > ground at the AC entrance), and you need to connect the Amp
    chassis to the
    > ground of the station, at same time, the  ground of the station
    need to be
    > connected to the AC ground at the entrance. All neutral wires
    must be
    > connected to only one point!
    >
    > You cannot do both at the same time.
    >
    > If you don't isolate the AC house ground from the station
    ground, also
    > neutral, because it is also connected at the AC entrance, you
    end up with a
    > UNSAFE ground. RF can flow to the house, EMF generate currents
    on both wires
    > and you want the current to the ground, not to your house. It is
    a mess.

    > Neutral or ground are two names for the same thing,


    Wrong. They are separate conductors, only being common at the primary
    service disconnect.

    I'm out...

    Jim W7RY


    >   a wire from the chassis
    > to a bar on the ground. But!  The functionality is different,
    neutral is for
    > human safety, ground wire is low impedance path to the actual
    ground. A long
    > ground wire for the station is a problem, 10 ft long can became
    an antenna
    > for 28 MHz, a long neutral wire is not a problems, it works for
    safety, if
    > no current flow on it, no load.
    >
    > 73's
    > JC
    > N4IS
    >
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