Saturday, 19 November 2011

Direct Conversion Receiver

  I received lots of help from VE7BPO http://www.qrp.pops.net
Preliminary architecture



Manhattan construction of the receiver with all the inter-stage shielding removed

The multiband VFO is at the bottom of the enclosure. Mounting brackets of the PCB are
not yet installed the PCB frame is sitting flush on the enclosure






Measure output power of the VFO






Two stages of RF gain and  with 50Ohm stage coupling. I get 9dbm to 10dBm output power

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