[time-nuts] Fw: FTS 4060 Cesium Time & Frequency Standard, Datum

Adrian rfnuts at arcor.de
Thu Oct 3 10:33:15 EDT 2013


I see you already have the user manual, but here it is:
http://www.to-way.com/tf/4060man.pdf
And Brooke's 4060 site:
http://www.prc68.com/I/FTS4060.shtml

Adrian


J. L. Trantham schrieb:
> Suspicious for a dead tube.
>
> Joe
>
> -----Original Message-----
> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
> Behalf Of Tom Miller
> Sent: Wednesday, October 02, 2013 9:54 PM
> To: time-nuts at febo.com
> Subject: [time-nuts] Fw: FTS 4060 Cesium Time & Frequency Standard, Datum
>
>
>
> Just to get this data on the list.
>
> Here are the measured voltages on U1:
>
> Pin     Fn                      Voltage         Limits
> 9        Beam I                0.001            1.01 to 3.73
> 18      Ion Pump E        2.436            1.72 to 3.01
> 7        Ion Pump I            0.020            0 to 2.0
> 19      Elec Multi E        2.060            0.84 to 3.01
> 17      C-Field I              3.65              3.28 to 4.45   (front panel
> sw set at 500)
> 16      Cs Oven T          1.379            1.27 to 1.55
> 20      Xtal Oven Pwr    3.57              2.81 to 3.91
> 3        180 MHz Lvl        2.784            0.1 to 4.8
> 2        12.6 MHz Dig     4.84               4.0 to 5.0
> 23      12.6 MHz Ana    1.34               0.35 to 4.28
> 6         +5 Supply           2.427            2.35 to 2.68
> 4         +18 V Supply     2.484            2.42 to 2.68
> 22       - 18 V Supply     2.481            1.72 to 3.52
> 21        Chassis T          3.045            2.62 to 3.44
>
>    
> It has been on for four days.
>
> When I compare the 10 MHz out to my GPSDO, the frequency matches up when the
> control (meter 4) passes 3.2 volts. There is no movement in the Beam current
> (meter 3) as control sweeps.
>
>
>
> Tom
>
>
>
>    ----- Original Message -----
>    From: Tom Knox
>    To: Tom Miller ; Time-Nuts
>    Sent: Wednesday, October 02, 2013 2:00 PM
>    Subject: RE: [time-nuts] FTS 4060 Cesium Time & Frequency Standard, Datum
>
>
>
>    If anyone has a service manual I am also very interested. Thanks
>    Thomas Knox
>
>
>
>    > From: tmiller at skylinenet.net
>    > To: time-nuts at febo.com
>    > Date: Wed, 2 Oct 2013 13:22:45 -0400
>    > Subject: Re: [time-nuts] FTS 4060 Cesium Time & Frequency Standard,
> Datum
>    >
>    > Hello Corby,
>    >
>    > Thanks for the help. Yes, could you copy me on the information for the
> U1
>    > chip? I do not have anything other than the user manual from Brooke. At
> this
>    > time, anything will be a great help.
>    >
>    >
>    > Best regards,
>    > Tom
>    >
>    >
>    > ----- Original Message -----
>    > From: <cdelect at juno.com>
>    > To: <time-nuts at febo.com>
>    > Sent: Wednesday, October 02, 2013 11:47 AM
>    > Subject: [time-nuts] FTS 4060 Cesium Time & Frequency Standard, Datum
>    >
>    >
>    > Tom,
>    >
>    > On the 4060 you can easily monitor the Ion pump voltage and current, the
>    > electron multiplier voltage, and other important parameters by measuring
>    > the voltages on the U1 chip on the uP board.
>    > This saves you fronm having to diconnect stuff to measure the HV and
>    > such.
>    > If you don't have a manual showing the pins of U1 I can post to pinout
>    > here on Time Nuts.
>    >
>    > Corby
>    >
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