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2m 144MHZ146MHZ RECEIVER                            4S6GGS                            Her I am use MC3357 / LA1186 in this...
2m 144MHZ - 146MHZ RECEIVER                    Her I am use MC3357 / LA1186 in this 2m ReceiverThis experiment was done wh...
2m 144MHZ - 146MHZ RECEIVER   2m RECEIVER SCHEMATIC DIAGRAM4S6GGS Email . 4s5gs.gayan@gmail.com   http://4s6ggs.blogspot.com
2m 144MHZ - 146MHZ RECEIVER                                   Part listPart    Value                          R1       10 ...
2m 144MHZ - 146MHZ RECEIVERPCB side Size . H50.8mm / 103.33mm          4S6GGS Email . 4s5gs.gayan@gmail.com   http://4s6gg...
2m 144MHZ - 146MHZ RECEIVERComponent side Size . H50.8mm / 103.33mm         4S6GGS Email . 4s5gs.gayan@gmail.com   http://...
2m 144MHZ - 146MHZ RECEIVER4S6GGS Email . 4s5gs.gayan@gmail.com   http://4s6ggs.blogspot.com
2m 144MHZ - 146MHZ RECEIVER               10.7MHz Filter Preamp BoardPart listC1     10n         R3      *C2     10n      ...
2m 144MHZ - 146MHZ RECEIVERPart listAssembly variant:Part ValueC1      10n         R1      56C3      10n         R2      4...
2m 144MHZ - 146MHZ RECEIVER             10.7MHz P.PA Board PCBH24.08mm / W 19.17mm VCC LA         MC           GND        ...
2m 144MHZ - 146MHZ RECEIVER4S6GGS Email . 4s5gs.gayan@gmail.com   http://4s6ggs.blogspot.com
2m 144MHZ - 146MHZ RECEIVERThis Receiver good perform for SWL / Ham operators / Monitor 2mband. Very stable LOCAL VCO.Firs...
2m 144MHZ - 146MHZ RECEIVER4S6GGS Email . 4s5gs.gayan@gmail.com   http://4s6ggs.blogspot.com
2m 144MHZ - 146MHZ RECEIVERNormal power on LED light up half / the power indicator145.625 - 600 Repeater Signal Receive LE...
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2m 144 mhz 146mhz receiver

Her I am use MC3357 / LA1186 in this 2m Receiver
This experiment was done when I was a SWL lesson 145.625MHz Repeater / 145.650MHz Repeater 59 Signal Repot With my Home brew ground plan Antenna 10 feet height Excellent Sensitivity without preamp . Local osc are very stable when I on Rx 2min in drift +- 50 kHz and get very stable in 24 hrs.
This Receiver good perform for SWL / Ham operators / Monitor 2m band.

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2m 144 mhz 146mhz receiver

  1. 1. 2m 144MHZ146MHZ RECEIVER 4S6GGS Her I am use MC3357 / LA1186 in this 2m Receiver This experiment was done when I was a SWL lesson 145.625MHz Repeater / 145.650MHz Repeater 59 Signal Repot With my Home brew ground plan Antenna 10 feet height Excellent Sensitivity without preamp . Local osc are very stable when I on Rx 2min in drift +- 50khz and get very stable in 24 hrswww.4s5gs.gayan@gmail.com
  2. 2. 2m 144MHZ - 146MHZ RECEIVER Her I am use MC3357 / LA1186 in this 2m ReceiverThis experiment was done when I was a SWL lesson 145.625MHz Repeater / 145.650MHz Repeater 59Signal Repot With my Home brew ground plan Antenna 10 feet height Excellent Sensitivity withoutpreamp . Local osc are very stable when I on Rx 2min in drift +- 50 kHz and get very stable in 24 hrs.This Receiver good perform for SWL / Ham operators / Monitor 2m band.MC3357 DESCRIPTION Includes Oscillator, Mixer, Limiting Amplifier, Quadrature Discriminator, Active Filter, Squelch, Scan Control, and Mute Switch. • Excellent Sensitivity: Input Limiting Voltage – (– 3.0 dB) = 5.0 mV (Typical) • Low Number of External Parts RequiredLA1186 Features and Functions• Contains RF amplifier, MIX, OSC, AFC diode. • Operating voltage: 1.8 to 8.0V. • Improvement in cross modulation characteristic due to the use of double-balanced MIX. • Improvement in strong input characteristic. • Less spurious radiation from local OSC. • TV (1 to 12 channel) receive capability. 4S6GGS Email . 4s5gs.gayan@gmail.com http://4s6ggs.blogspot.com
  3. 3. 2m 144MHZ - 146MHZ RECEIVER 2m RECEIVER SCHEMATIC DIAGRAM4S6GGS Email . 4s5gs.gayan@gmail.com http://4s6ggs.blogspot.com
  4. 4. 2m 144MHZ - 146MHZ RECEIVER Part listPart Value R1 10 Part ValueD1 1N4004 R2 1k CX1 0.1uFD2 1N4148 R3 22k CX2 0.1uFD3 1N4148 R4 10k CX4 0.001uFD4 1N4148 R5 2.2k CX5 0.1uFD5 1N4148 R6 220k CX6 0.01uF ***D6 1N4148 R7 10k CX7 0.22uFIC1 LM386N R8 10k CX8 0.68uFIC2 MC3357 R9 1.5k CX9 470pFIC3 LA1186 R12 100k CX10 470pFIC4 LM7805 R13 1k CX11 0.1uFIC5 LM7805 R14 33k CX12 22pFL1 1mH *** R15 47k CX13 0.1uFL2 20SWG 3T Dia 7.5 mm R16 2k CX14 20pFL3 20SWG 3T Dia 7.5 mm R17 2k CX15 10pFLED1 R18 22 CX16 0.1uFQ1 10.245MHz crystal R19 22 CX17 0.1uFQF2 10.7MHz Filter R20 100k CX18 120pFSP1 8R 1W Sony Sp R21 150k CX19 50pFT1 BC547 R22 2.2k CX20 5pFT2 BC547 VR1 10k CX21 5pFT3 BC547 VR2 47k CX22 0.001uFTR1 455KHz IF IFT VR3 20k CX23 0.001uFTR2 10.7MHz IF IFT VR4 10k CX24 5pF CX26 30pF CX27 0.001uF C1 100uF CX28 30pF C2 220uF CX29 0.001uF C3 10uF CX30 100pF C4 20pF CX31 0.001uF C5 1uF CX32 0.01uF C6 0.47uF CX33 0.001uF C7 10uF CX34 0.001uF C8 220uF CX35 0.1uF C9 20pF C10 10uF 4S6GGS Email . 4s5gs.gayan@gmail.com http://4s6ggs.blogspot.com
  5. 5. 2m 144MHZ - 146MHZ RECEIVERPCB side Size . H50.8mm / 103.33mm 4S6GGS Email . 4s5gs.gayan@gmail.com http://4s6ggs.blogspot.com
  6. 6. 2m 144MHZ - 146MHZ RECEIVERComponent side Size . H50.8mm / 103.33mm 4S6GGS Email . 4s5gs.gayan@gmail.com http://4s6ggs.blogspot.com
  7. 7. 2m 144MHZ - 146MHZ RECEIVER4S6GGS Email . 4s5gs.gayan@gmail.com http://4s6ggs.blogspot.com
  8. 8. 2m 144MHZ - 146MHZ RECEIVER 10.7MHz Filter Preamp BoardPart listC1 10n R3 *C2 10n R4 1kC3 10n R5 100C4 4.7n R6 10kC5 10n R7 47kQF1 10M7 T1 C1923R1 680R2 4S6GGS Email . 4s5gs.gayan@gmail.com http://4s6ggs.blogspot.com
  9. 9. 2m 144MHZ - 146MHZ RECEIVERPart listAssembly variant:Part ValueC1 10n R1 56C3 10n R2 470C4 10n R5 470C5 10n R6 220kQF1 10M7 T1 C1923 4S6GGS Email . 4s5gs.gayan@gmail.com http://4s6ggs.blogspot.com
  10. 10. 2m 144MHZ - 146MHZ RECEIVER 10.7MHz P.PA Board PCBH24.08mm / W 19.17mm VCC LA MC GND 4S6GGS Email . 4s5gs.gayan@gmail.com http://4s6ggs.blogspot.com
  11. 11. 2m 144MHZ - 146MHZ RECEIVER4S6GGS Email . 4s5gs.gayan@gmail.com http://4s6ggs.blogspot.com
  12. 12. 2m 144MHZ - 146MHZ RECEIVERThis Receiver good perform for SWL / Ham operators / Monitor 2mband. Very stable LOCAL VCO.First on the Rx Normal power on LED light up half (the power indicator )then Tune the our Repeater 145.625MHz in lesion the signal wait for1-5min fine tune the Rx then ok now can use contuses 24hour…………….Try it and sent me a Photo and result via E mail 4S6GGS Email . 4s5gs.gayan@gmail.com http://4s6ggs.blogspot.com
  13. 13. 2m 144MHZ - 146MHZ RECEIVER4S6GGS Email . 4s5gs.gayan@gmail.com http://4s6ggs.blogspot.com
  14. 14. 2m 144MHZ - 146MHZ RECEIVERNormal power on LED light up half / the power indicator145.625 - 600 Repeater Signal Receive LED light up full. S meter run 4S6GGS Email . 4s5gs.gayan@gmail.com http://4s6ggs.blogspot.com

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