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Posts tagged SA602s,

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 […]

Circuit Diagram MPEG-4 modules video

MPEG-4 modules realizing real time compression & expansion plus network transmission of video data. The portfolio also includes small camera boards with image correction function.

Headphone audio circuit using TL072

Headphone audio circuit using TL072 Headphone Amplifier Circuit using Op-Amp circuit using TL072

Low amplifier is intended to be used in conjunction with an electric guitar

The following circuit diagram is designed to be used as an amplifier (including the loudspeaker, battery, input and output jack) that is placed into a pack of cigarettes or Fuzz-box. This small,  especially for training, either through a small loudspeaker or headphones are included. According to the designer amplifier can be used in three different […]

Power Supply Control circuit

Power Supply Control circuit Power Supply Control using LM7812, LM7912

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