[time-nuts] New 10mhz Distribution Amplifier

Bruce Griffiths bruce.griffiths at xtra.co.nz
Thu Aug 14 17:52:29 EDT 2008

Doug Millar wrote:
> Hi,
> 	A new 10mhz distribution amplifier is available at amateur prices. 
> Jerry N7EME is producing them. His website is at 
> http://jwmeng.com/model_RDA-6.html
> 	Doug K6JEY
There's  a few specifications missing:

1) input impedance and return loss.

2) output impedance and return loss

3) phase noise

These are essential if one is to make a rational decision on the 
suitability of the distribution amplifier.

The outputs and inputs appear to share a common ground.
This would preclude its use in some setups without external means of 
providing the required isolation.

The other question is does the device use AGC to set the output level?
If it does the phase noise floor will almost inevitably be relatively 
high compared to the state of the art.


More information about the time-nuts mailing list