Features: 1) It is possible to improve the timbre because it has the pre-emphasis circuit, limiter circuit, and the low-pass filter circuit.2) Built-in pilot-tone system FM stereo modulator circuit.3) The transmission frequency is stable because it has a PLL system FM transmitter circuit.4) PLL da...
BH1415F: Features: 1) It is possible to improve the timbre because it has the pre-emphasis circuit, limiter circuit, and the low-pass filter circuit.2) Built-in pilot-tone system FM stereo modulator circuit....
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CD changer, Car TV, Car navigation, Wireless speakers, Personal computer (sound board), Game machine
Parameter |
Symbol |
Limits |
Unit |
Conditions | |
Supply voltage |
Vcc |
+7.0 |
V |
Pin8,12 | |
Data input voltage |
VIN-D |
−0.3~Vcc+0.3 |
V |
Pin15,16,17,18 | |
Phase comparator output voltage |
VOUT-P |
−0.3~Vcc+0.3 |
V |
Pin7 | |
Power dissipation | BH1415S |
Pd |
1000 *1 |
mW |
|
BH1415F |
450*2 |
||||
Storage temperature |
Tstg |
−55~+125 |
*1 Derating : 10mW/ for operation above Ta=25.
*2 Derating : 4.5mW/ for operation above Ta=25.
The BH1415S/F are FM stereo transmitter ICs that transmit simple configuration. The ICs consist of a stereo modulator for generating stereo composite signals and a FM transmitter for broadcasting a FM signal on the air. The stereo modulator BH1415F generates a composite signal which consists of the MAIN, SUB, and pilot signal from a 38kHz oscillator. The FM transmitter radiates FM wave on the air by modulating the carrier signal with a composite signal.