3 band direct conversion receiver with frequency counter and 15m plug-in modules

jjjelectronics 3dcv1 is an amateur direct conversion receiver .It covers 40m, 80m ,with provision to add additional frequency bands by mean of plug-in module

the JJJelectronics 3DCv1 is suitable for SSB and CW.

 

frequency bands

40m    7.0mhz to 7.14mhz

80m    3.5mhz to 3.85mhz

15m  21.0MHZ to 21.45MHz

Plug-in module can be used to give additional band.(30m,20m and 15m are available)

Separate FET VFO for each band

Audio 1w output (LM380)

Mixer MC1496 double balanced mixer

SSB and CW filter (3khz for SSB and 700Hz for CW)with push button switch to choose between them

 power required 12v to 14v DC.

Protection diode for wrong polarity.

green/yellow LCD display for frequency counter

reduction drive 4:1  (2 full turns for tuning knob )

RF gain control 

aluminum chassis 1.2mm

3M front panel sticker 

Please note Frequency counter and plug-in module are  included 




Please download the build instruction , Circuit diagram, silkscreen and 20m plug-in diagram from my website 

WaveHunter.co.uk , ( click on direct conversion receiver and download the files)

the site is under construction but you are able to download all files 

video on you-tube and on my website,  https://youtu.be/c1DHr_ga0SE

video on you-tube for ssb, https://youtu.be/n-ScWbr3NzQ







Postage £4.30 to UK (recorded delivery)

Europe £12.0 (signed for )

USA £16.0 signed for


Please check my other items