[time-nuts] Motorola GPS Z3801A

Robert Benward rbenward at verizon.net
Wed Jun 2 18:43:15 EDT 2010


Rex,
I measured them attached to a valid RS-232 port.  I am dismantling the unit and I will be checking the voltages right at 
the chip.

Bob

----- Original Message ----- 
From: "Rex" <rexa at sonic.net>
To: "Discussion of precise time and frequency measurement" <time-nuts at febo.com>
Sent: Wednesday, June 02, 2010 12:49 AM
Subject: Re: [time-nuts] Motorola GPS Z3801A


> Robert Benward wrote:
>> Matt,
>> It's been modified.  I was told that when I bought  it, and confirmed it myself.  I don't get the right voltages; I 
>> need a new RS-232 interface chip.
>>
>> Bob
>>
> I never heard an answer about if you had measured the voltages at the Z3801A connector open circuit (nothing attached 
> that could be loading or driving what you are measuring).
>
>
>
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