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HF VHF UHF tv antenna boster Active

HF VHF UHF tv antenna boster Active circuit diagram using 2SC2570, MFE201

Single Cell LED Driver using LT1932

Single Cell LED Driver circuit using LT1932

VU Meter using a lm3915 Circuit diagram

LED current drive is regulated and programmable, eliminating the need for current limiting resistors. The IC contains an adjustable voltage reference and an accurate ten-step voltage divider. VU meter uses just one IC and a very few number of external components. It displays the audio level in terms of 10 LEDs. The LM3915 is a […]

low pass audio filter circuit

low pass audio filter circuit low pass audio filter circuit Using NE5534, TL074, A1015, B507, A671, C1815, D313, C1061, TL072, LF347N low pass audio filter circuit low pass audio filter circuit

8800 phone

Nokia 8800 phone radio module / circuit using TEA5761UK Nokia 8800 phone radio module / circuit using TEA5761UK

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