Page 7 of 8
dc_102019.pdf
Schematic:
Страница 1: ...ther bands for those that want to experiment They are suggested values and may need some tweaking for optimum performance Parts List 1 Receiver pcb 1 U1 78L09 regulator 1 U2 NE602 or NE612 DIP8 IC 1 U...
Страница 2: ...mono capacitor marked 47 680pF mono capacitor marked 681 0 C23 not used 2 L1 T68 2 toroid core red T50 7 toroid core white 1 L2 1mH molded choke marked brown black red silver 1 T1 T50 2 toroid core r...
Страница 3: ...ono capacitor marked 47 for 30m and no capacitor for 20m Install D1 1N4007 diode black match the silver band on the diode with the outline Install D2 1N4737A small glass diode match the black band on...
Страница 4: ...below If the wound core does not look like the picture below it will not align with the pcb holes Be sure to verify the turn counts on each group before you trim the wires There should be a total of...
Страница 5: ...clarity If you are going to use a Digital Dial add the 3 turn pick off loop as described below Trim and straighten the wires If you have wound it properly when the leads are bent down they will align...
Страница 6: ...d be obtained from a superheterodyne receiver except you have both sidebands to choose from An enclosure would help in any frequency stability issues encountered by temperature changes Alignment The D...
Страница 7: ...Page 7 of 8 dc_102019 pdf Schematic...
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