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Posts tagged 4-element

Circuit diagram 75 Meter QRP SSB Transceiver

The 75 Meter QRP SSB Transceiver Theory of Operation 6-30-03 In general, the transceiver switches the 4-element 1500 ohm xtal BPF ends between the inputs and outputs of the two SA602s to reverse the signal flow for R/T operation. Since no IF amplifier is used in the design, 20 dB of additional receiver gain is […]

1tr preamp mic schematic

1tr preamp mic schematic using c828 R1 …… 10K R2 …… 220K R3 …… 5K6 R4 …… 560K VR …… 10K C1 …… 100nF C2 …… 47uF Q ……. C828

How can i design a PCB from a circuit diagram?

Marcus P asked: I know about electronics and the different components, but im completely self taught so there are a few holes missing. How do i ground wires. and what does vref1 and vref2 mean

Television circuit

Television circuit – Color TV Basic Schematic Diagram using TMPA8873KPANG6HV9, 78040, TDA2003, TC4063 14, 24 , 29 inci tv China cricut Tv korea circuit diagram Enable your creativity with fast, fun die cutting

Schematic for BLF369 BLF369 BLF369

Schematic for BLF369 BLF369 BLF369 Schematic for BLF369 BLF369 BLF369

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