[time-nuts] Naive reference oscillator qustion, but has to be asked!
ernieperes at aol.com
Fri Jun 29 10:46:19 UTC 2012
the Kenwood TCXO module is quite adequate because the microwave transverter LO is the major problem... let say a 10GHz/144 transverter LO xtal osci is 106,500MHz and multiplying up to 10GHz / fxtalX96 / is more critical to get exact 10368,000MHz....
From: Chris Wilson <chris at chriswilson.tv>
To: Discussion of precise time and frequency measurement <time-nuts at febo.com>
Sent: Fri, Jun 29, 2012 12:39 pm
Subject: Re: [time-nuts] Naive reference oscillator qustion, but has to be asked!
> You could use a frequency synth with an external 10 MHz reference
to generate the required 15.6 MHz signal.
On 06/29/2012 02:54 AM, Chris Wilson wrote:
> 29/06/2012 10:49
> Titter if you must, but if you don't ask, you don't learn. My newly
> acquired Kenwood TS-590 transceiver has an option for a temperature
> controlled reference xtal module. The specs for it are :
> Output Frequency . . . . . . . . . . 15.6 MHz
> Temperature Stability
> . . . . . . . . . . . . . . . Within +/- 0.5 ppm (–10°C ~ 50°C)
> . . . . . . . . . . . . . . . Within +/- 1.0 ppm (–20°C ~ 60°C)
> Frequency Stability (long term) . . . within +/- 1.0 ppm/year
> Output . . . . . . . . .. . . . . . . 1.0 Vp-p (10 k ohm // 10 pf)
> Could the output of a GPS disciplined 10MHz standard be altered
> in frequency for this purpose? Thanks.
Thanks, is it worth even thinking about, or is the Kenwood add on
CXO module more than adequate? Only reason I ask is I will be using the
ig as a driver for a microwave transverter.
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