what power is need at 40GHz?
73
Alex
On 11/2/2014 4:44 PM, Magnus Danielson wrote:
Dave,
On 11/03/2014 01:29 AM, Dr. David Kirkby (Kirkby Microwave Ltd) wrote:
On 1 Nov 2014 16:50, "Jim Lux" <jim...@earthlink.net> wrote:
behind a scintillator)
The 40 GHz stuff these days is not nearly as exotic as it used to
be. The
challenge might be test equipment when you're debugging your 40 GHz
synthesis chain.
There's a fair amount of test equipment around to 40.0 GHz, but it is
not
cheap even on the used market. But above 40.0 GHz it gets even more
expensive, as a lot of kit stops there. So a spectrum analyzer that
works
to 40.1 GHz is going to cost serious money.
I don't know what ones chances of feeding 10.04 MHz into the 10 MHz
reference input to 40 GHz test equipment to make it work to
40*10.04/10=40.16 GHz. I suspect that you could get away with it.
It would not really be needed. Only if you would be using a 40,5 GHz
oscillator and steer it, that 40 GHz would be exposed. However, I
would not be surprised if a source in the 100 MHz to 1 GHz range or so
would be used as an intermediary clock to a big 5 MHz fly-wheel.
Naturally that intermediary could be synthesized. There are many ways
to go about it.
Cheers,
Magnus
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