micro transmissor fm circuit using bf49402 Simple 30 meters range FM transmitter using bf49402 BAT 3 – 6 volts C1 47nF C2 4,7pF C3 100nF CV1 3pF – 30pF T1 bf494 R1 2k7 R2 8k2 R3 5k6 R4 47
Posts tagged Transmisor Fm
NOISE REDUCTION PROCESSOR circuit
NOISE REDUCTION PROCESSOR circuit DOLBY B-TYPE NOISE REDUCTION PROCESSOR KA2271 DOLBY B-TYPE NOISE REDUCTION PROCESSOR KA2271 The KA2271 is a monolithic integrated circuit designed for use in Dolby* B-type reduction systems. FEATURES Few external components Low quiescent circuit current (Typ Iccq=4.3mA) High crosstalk rejection ratio. Built-in NR-switch, REC/PB-switch. Recommended supply voltage: Vcc=8V~16V.
Free Usb Mp3 Player Circuit Board Project
Free Usb Mp3 Player Circuit Board Project
How to Make Radio-guided Radio Circuit Schematics
How to make radio-guided Radio Circuit Schematics radio is one of the entertainment as the radio has a value of information and entertainment. but how do we make it? was very simple answer, here is a guide to Circuit Schematics Radio. The first requirement is the hardware that receives the radio transmission. We have chosen […]
Intercom switch circuit
Intercom switch circuit Intercom switch circuit Two line intercom plus a telephone changeover switch Click here for the circuit diagram. The circuit presented here can be used for connecting, The circuit presented here can be used for connecting two telephones in parallel
