[time-nuts] Racal Dana 9478 frequency distribution system with option 04B high stability oven (5x10^-10/day aging rate).

Heinz Breuer hbreuer at debitel.net
Sun Nov 4 10:48:13 EST 2018


It seems to be a very good price.
There is a Racal Dana 9480 fully equipped with 40 outputs listed on eBay Germany for EUR 795.
Nice to have but I don't need 40 outputs.
vy 73 Heinz DH2FA, KM5VT

Von meinem iPhone gesendet

> Am 04.11.2018 um 15:05 schrieb Dr. David Kirkby <drkirkby at kirkbymicrowave.co.uk>:
> 
> On Sun, 4 Nov 2018, 11:51 David C. Partridge <david.partridge at perdrix.co.uk
> wrote:
> 
>> FWIW it is trivial to modify these video distribution amps for 50 ohm
>> output - you just need to change the output resistors form 75 ohm to 50 ohm
>> on the board after the op-amp.
>> 
>> David
> Three was a discussion about the particular video amplifier here some years
> back, as they were on eBay and someone on this list made us aware of it.
> 
> Part of the discussion was converting to 50 ohms, but someone pointed out
> it was pushing the limits of the op-amp.
> 
> But I don't like the form factor of the unit either.
> 
> I have for some time looking for another distribution amplifier, but I was
> offered this at £150 including delivery. I think I will take it.
> 
> Dave.
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