you may need to touch the solder iron, but it is worth it >60dB
isolation MAXIM, MAX2470, made for VCO buffer ...
73
KJ6UHN
Alex
On 3/26/2016 10:57 AM, jimlux wrote:
Consulting the time-nuts hive mind here..
I'm looking for off the shelf connectorized amplifiers with very good
reverse isolation for doing things like intermod measurements (e.g. 2
signal generators followed by amps/pads into a combiner) and phase
noise measurements for a digital receiver.
1-100 MHz kind of frequency range..
I've used ZFL-500LN (30dB gain, 27 dB directivity in the data sheet,
which I interpret as 57dB reverse) , ZX60-4016 (really more of a
microwave amp, and not so hot reverse wise.. 25 dB)
I'm not particularly cost constrained, so a higher power amp (which
also reduces distortion products from the amp) followed by pads is
always an alternative.
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