ProductsRF POWER Transistor

  • Product Name:

    ROHM BH1415F FM stereo transmitter IC Wireless Audio BH1415

  • Categories:RF POWER Transistor
  • Date:2011-03-03
  • 1) The timbre could be improved since 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 ...
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1 pcs sample
4.99 USD
/pcs
USD
Airmail 25days

10 pcs
2.99 USD
/pcs
USD
Airmail 25days

Product Description

Wholesale +Free shipping

ROHM  BH1415F FM stereo transmitter IC Wireless Audio BH1415

 

BH1415F 

BH1415-gallery.jpg

 

About BH1415:

 

The BH1415F is a FM stereo transmitter IC that transmits simple configuration. This IC consists of a stereo modulator for generating stereo composite signals and a FM transmitter for broadcasting FM signals .

 

The stereo modulator 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.

Apply to:
CD changer, Car TV, Car navigation, Wireless speakers, Personal computer (sound board), Game player

Features:
1)  The timbre could be improved since 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 data input (CE, CK, DA) by serial input.

Leave a Reply

13 Responses

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  11. Larry Bleigh 2019/03/30 at 15:39:35

    Is the pre emphasis on the CZE-15B 50 0r 75? I need 75…Is there an easy way to change from 50 to 75us ?…I just received my new CZE-15B transmitter and have never powered it up..I was wondering about the pre emphasis before I put it on the air…I”m in no hurry to power it up…Going to use as my main transmitter and I needed everything to sound perfect before I put it on the air…Please e-mail with pre emphasis and will it reach a true 75khz? I have used other models that would not reach 75khz…100% modulation…Also is there an easy way to disconnect the limiter? I’m using an external limiter, processor…If you are not using 75us you would sell more transmitters in US if they were 75us pre emphasis…That is where the money is…Also if you would ever need someone to test any of your products; O would be happy to test as in independent tester…

    Thank You
    Larry Bleigh Professional Broadcast Engineer

  12. Al Grellet 2020/07/01 at 21:46:07

    For 75 us premphasis on this chip from 50us which I have here , which SMDs do I need to change out I have CZE-7C with that chip