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I use a single shunt srd, not a bridge.
At first i tried a biased srd, my single srd were DC biased with a voltage around 0.5 V.
biased srd needs lower power for drive, but it was quite sensetive to bias voltage.
i encountered some stability issues! Small changes to bias voltage leads to...
I measure a phase noise of -127 dBc/Hz at 2.5 GHz when the input level is around 26 dBm @ 1KHz offset.
in fact the output phase noise is quite sensitive to the input level. due to this, I'm afraid of operating temperature range (-40 +80)!
theoretically, the phase noise should be around -132...
Tnx dear skyguy
in fact i want to use srd diodes as x22, x23, x24 and x25 multipliers.
i have designed the input and output matching networks for srd diodes. They were measured with network analizer and the results were satisfactory. I have used four different microstrip quarter-wave...
Ok, thanks.
so, a simple divider is enough for me.
whould you please introduce a part number for half watt amplifier?
the output power of my ocxo is about 10 dBm.
the amplifier should have a gain of 17 dB to reach this power without going to saturation. I searched hittite, triquint, rfmd,...
but...
Hi
i have a 100 MHz OCXO with a phase noise of -160 dBc/Hz @ 1KHz offset.
I need to have four copy of this reference with powers in order of 27 dBm.
for distribution, is it better to use a distribution amplifier or a simple power divider is enough?
how much degrades the phase noise a simple...
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