QRPKits The Survivor, Manual

Page 1: ...ner which needs to be readjusted every so often as you move up or down the band Since a steady carrier works better then whistling into the mike to get a signal a steady carrier or tune mode is built...

Page 2: ...Parts placement diagram color coded Mostly completed board The picture illustrates how a well constructed board should look like 2 Manual revised 20160229 Picture 1 mostly assembled board...

Page 3: ...arger black cylinder 2 10 7 IF cans 1 Poly variable Tuning cap 1 70 pfd Brown trimmer cap 11 39 pfd 39 NPO disk 5 150 pfd 151 C0G MLCC 3 330 pfd 331 disk or MLCC 5 680 pfd 100V 681 C0G MLCC 3 0 001 uF...

Page 4: ...large 1 FT37 43 Black ferrite core small 2 T50 2 Red powered iron core 1 T50 7 White powered iron core 1 2 1 mm Power Jack PC mount 2 Stereo panel jack 1 BNC panel jack 1 TO 220 insulator Mica 1 4 1 2...

Page 5: ...iendly parts placement and value diagram for easy reference during assembly Experienced builders will likely only need this diagram to stuff most of the board but review the assembly instructions for...

Page 6: ...il to the bottom of the case and add the four rubber feet bumpers Attach the decals as described below The decals are applied the same as model decals Cut around each group of text or symbols you wish...

Page 7: ...U GLD GLD R11 100K BRN BLK YEL GLD R12 51 GRN BRN BLK GLD R13 5 6 GRN BLU GLD GLD R14 1K BRN BLK RED GLD R15 220 RED RED BRN GLD R16 10K BRN BLK ORG GLD R17 1K BRN BLK RED GLD R18 1K BRN BLK RED GLD R...

Page 8: ...f the socket should be at the same end of the part outline which also has the notch Note that not all the sockets face the same direction Make sure all the pins are sticking through the holes in the b...

Page 9: ...C C17 0 1 u 104 MLCC C18 0 1 u 104 MLCC C19 330 p 331 DISK C20 0 1 u 104 MLCC C21 C22 39 p 39 DISK C23 C24 0 1 u 104 MLCC C25 330 p 331 DISK or MLCC C26 330 p 331 DISK or MLCC C27 0 1 u 104 MLCC C28 0...

Page 10: ...78L05 Pale yellow C31 44 46 56 57 1 ufd 50 V Aluminum Electrolytic Long lead is Plus C15 21 47 70 2 2 ufd 25V Aluminum Electrolytic Long lead is Plus C68 4 7 ufd 25 or 16V Aluminum Electrolytic Long...

Page 11: ...red 22 turns 24 wire 14 Evenly space turns around core leaving small gap at wire ends T1 FT50 43 core large black 5 turns 24 wire bifilar 8 Fold wire in half and lightly twist together After winding...

Page 12: ...board into the case and solder the wires on to the board from the top Wire up the front panel controls Use the 24 magnet wire between the board and tuning cap Install the rear panel jacks and wire the...

Page 13: ...able to reach 9 003 000 MHz The BFO frequency can also be found on pin 7 of U1 This is a buffered signal so it will not be affected by the counter probe capacitance loading You can now install all th...

Page 14: ...vailable and dummy load to antenna jack Connect amp meter in series with power supply lead 2 A scale Re apply power to the rig Set the Main tuning to about the center of the tuning range Key the micro...

Page 15: ...able to hear the USB and carrier component of the Survivor output signal The selectivity of the filter in this low cost rig isn t stellar so some opposite side band output is to be expected On air th...

Page 16: ...a big plus Most of you will likely only have the voltmeter to use The voltage tables below can help locate a problem area Voltages can vary by 10 due to variations in voltmeters and the actual 5V reg...

Page 17: ...3 to saturate and clip causing a distorted signal Adding Q14 to reduce the input signal to U3 eliminated this problem The audio signal from U7a is routed through one of the analog switches in U4 the 7...

Page 18: ...18 Manual revised 20160229...

Page 19: ...Board layout Floating pads are grounds to ground plain which is not shown so that tracks on both sides of the board can be clearly seen 19 Manual revised 20160229...