Today's Message Index:
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1. 08:13 AM - Re: warning lights for engine T&Ps (user9253)
2. 10:42 AM - Re: Re: warning lights for engine T&Ps (Robert L. Nuckolls, III)
3. 02:12 PM - Voltage drop thru the essential bus diode as shown in Z-9. (rv7a.builder)
4. 03:02 PM - Re: Voltage drop thru the essential bus diode as shown in Z-9. (Robert L. Nuckolls, III)
Message 1
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| Subject: | Re: warning lights for engine T&Ps |
While looking for the collection of Op Amp circuits that Eric referred to, I found
this that might be useful to someone:
http://www.ti.com/lit/an/snla140b/snla140b.pdf
Joe
--------
Joe Gores
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=422295#422295
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| Subject: | Re: warning lights for engine T&Ps |
At 10:11 AM 4/23/2014, you wrote:
>
>While looking for the collection of Op Amp circuits that Eric
>referred to, I found this that might be useful to someone:
>http://www.ti.com/lit/an/snla140b/snla140b.pdf
>Joe
>
>--------
>Joe Gores
Good find. This document is a classic. AN-31 has been
around for decades and updated many times. It's a great
teaching/learning tool!
Bob . . .
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| Subject: | Voltage drop thru the essential bus diode as shown |
in Z-9.
I am getting about 3/4 of a volt drop through the essential buss diode when
the battery is at a full 12 volts.-When I throw the essential bus feed s
witch the Voltmeter creeps back up to 12 volts. Is this fairly normal?-Th
anks. John
Message 4
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| Subject: | Re: Voltage drop thru the essential bus diode as |
shown in Z-9.
At 04:08 PM 4/23/2014, you wrote:
>I am getting about 3/4 of a volt drop through the essential buss
>diode when the battery is at a full 12 volts. When I throw the
>essential bus feed switch the Voltmeter creeps back up to 12 volts.
>Is this fairly normal? Thanks. John
Yes. Diodes do have a small drop associated with
them . . . which is insignificant when the alternator
is running (bus at 14+ volts) and even less significant
when the alternator is not running because the alt-feed
switch is closed and the main bus is shut down.
Bob . . .
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