Si570-based USB oscillator from SDR-Kits 
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USB-controlled RF oscillator based on Si570-chip. This model is capable of generating a signal up to 210MHz.

Click here for more details on SDR-Kits webpage

Quite big part of the axial components in place and lots of leftovers.
Quite big part of the axial components in place and lots of leftovers.



The Si570 oscillator chip soldered in place from all four sides. And yes, it went the wrong way. I had to peel it off and turn around..
The Si570 oscillator chip soldered in place from all four sides. And yes, it went the wrong way. I had to peel it off and turn around..

Making a 4:1 transformer for 50 ohm output
Making a 4:1 transformer for 50 ohm output

Making a 4:1 transformer for 50 ohm output
Making a 4:1 transformer for 50 ohm output

Completed transformer!
Completed transformer!

Note for aligning the transformer correctly
Note for aligning the transformer correctly


Two required links on the solder side.
Two required links on the solder side.

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