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Posts tagged microphone’s dynamic range

Portable Mic Pre-amp 2 transistor

Portable Mic Pre-amp 2 transistor using BC549C, BC547B

3V FM AM TUNER SYSTEM

3V FM IF AM TUNER SYSTEM using KA2248 3V FM IF AM TUNER SYSTEM The KA2248 is a monolithic integrated circuit developed the for headphone stereo. FUNCTIONS AM SECTION: Converter, IF amplifier, Detector, Tuning indicator FM SECTION:  IF amplfier, Quadrature detector, Tuning indicator FEATURES Low quiescent current: AM: Iccq= 3mA, Vcc= 3V FM: Iccq= 8mA, […]

overvoltage protection diode

overvoltage protection diode circuit using MAX8596z

Power adapter circuit

Power adapter circuit Power adapter circuit +9V using TIP31, BC182 Power adapter circuit Power adapter circuit

RF circuits using MAX2633

RF circuits using MAX2633 The only external components required for RF circuits is the MAX2633. VHF RF amplifier input and output blocking capacitors, C1 and C3, and a VCC bypass capacitor, C2. RF circuits is very simple but very useful for your radio facilities.

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