Mark, do you have an inexpensive sour for the X72?
Regards,
Jerry
> On Nov 19, 2017, at 4:43 PM, Mark Sims wrote:
>
> I have finished my breakout boards for the X72 oscillator. It consists of
> two boards connected by a ribbon cable (or you can remove a header and
> replace with a female and directly connect them or solder the boards
> together). Power input is through a 2.1mm barrel connector. Input caps are
> rated at 25V, so a max 15V input is suggested. You can power it via either
> board... the connections are in parallel.
>
> The first board is a small interface board board that plugs into the X72 and
> breaks out all 26 connections to a 2x13 pin 0.1" pin header. It also has
> connections for the SERVICE, LOCK, and 1PPS signals driven through 1K
> resistors... can be used to drive LEDs, etc. Note the 1PPS signal would need
> to be stretched to drive an LED and the LOCK polarity is such that LOCK is
> indicated by the LED being off.
>
> The second board is a breakout board that has an RS-232 interface (with
> selectable 1PPS polarity signal and optional raw/5V regulated power signal
> available). It also has BNC connectors for the 1PPS IN, 1PPS out, EFC IN,
> 10 MHz output, and selectable user programable ACMOS frequency output / FXO
> 60 MHz oscillator output. The breakout board also has
>
> The boards are assembled and include a 200 mm long ribbon cable (photo shows
> a shorter cable. The price is $25 per set shipped in the US. Overseas
> shipping is an additional $10 for any quantity. Contact me off list if
> interested.___
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