Dave
I looked at the AdaFruit board some time back on a spectrum analyzer. If my
memory is correct, the output into 50 ohms was about 8dbm. Of more concern
than marginal drive were intermodulation spurious outputs developed by
crosstalk between channels. These were in the 65-70 dB down range. This was
using the two most physically separated channels on the board. If you're
only using one channel, it will be much better.
Joe
-----Original Message-----
From: Dave
Sent: Thursday, April 02, 2015 3:55 AM
To: minima@xxxxxxxxxxxxx
Subject: [minima] Si5351 driving DBM
Has anyone used the Si5351 to directly drive the LO port of a 7dBm
DBM such as the ADE-1? Datasheet says output is 50 ohm at high drive(8
mA) setting. This works out to +5dBm, if I did the math right.
Dave - WB6DHW
<http://wb6dhw.com>
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