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BA1404 - Stereo FM Transmitter IC
The BA1404 chip is the heart of many low-power FM stereo broadcast band radio transmitter projects, including the hugely popular Ramsey FM-10 kit. You can find these chips in devices ranging from short-range FM modulators for car radios, to "pirate radio" transmitters with dozens of miles of range. The BA1404 has the benefit of a wealth of information available online, including plans to help you create a completely legal, low-cost FM stereo transmitter.
BA1404 is a complete stereo FM transmitter in a single chip. It operates on as litte as 1.5 Volts! Add a few external components for a great sounding stereo FM transmitter. Full data sheets and schematics are included.
Click here to view the schematic.
Specifications:
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- Voltage Supply: 1 - 3V
- Power Consumption: 3mA
- Separation: 45dB
- DIP-18 |
| Quantity Discounts |
| 1: |
$8.95 |
| 10: |
$8.75 |
| 25: |
$8.55 |
| 100: |
$7.95 |
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BH1415 - Stereo PLL FM Transmitter
ROHM's breakthrough wireless IC series incorporates a stereo modulator, frequency synthesizer and high frequency FM transmitter in one IC. ROHM's industry-first wireless IC series not only cuts board space by more than half, it opens up opportunities as unlimited as the designer's imagination. ROHM's innovative chip series enables portable electronic audio sources such as MP3 players, portable CD players, PDAs, video game players, cell phones, and laptop PCs to be connected to a more powerful audio system without cables or even line of sight technology. The features of numerous integrated functional blocks such as a stereo modulator, phase lock loop frequency synthesizer IC, RF oscillator circuitry and various HF circuits are all incorporated on a single BiCMOS IC. External parts count as well as board real estate is slashed. Performance is also increased with a signal-to-noise ratio of better than 70dB.
Features
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- Built-in pre-emphasis, audio limiter, audio filter circuit
- Built-in PLL frequency synthesizer integrated for stable transmission frequency
- Built-in Stereo Encoder
- Built-in RF Oscillator
- Built-in RF Output Buffer
Specifications:
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- Voltage Supply: 4-6V
- Transmission frequency: 70 - 120MHz 100KHz Steps
- Separation: 40dB
- SOIC22
Related Products
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BH1417 - Stereo PLL FM Transmitter
ROHM's breakthrough wireless IC series incorporates a stereo modulator, frequency synthesizer and high frequency FM transmitter in one IC. ROHM's industry-first wireless IC series not only cuts board space by more than half, it opens up opportunities as unlimited as the designer's imagination. ROHM's innovative chip series enables portable electronic audio sources such as MP3 players, portable CD players, PDAs, video game players, cell phones, and laptop PCs to be connected to a more powerful audio system without cables or even line of sight technology. The features of numerous integrated functional blocks such as a stereo modulator, phase lock loop frequency synthesizer IC, RF oscillator circuitry and various HF circuits are all incorporated on a single BiCMOS IC. External parts count as well as board real estate is slashed. Performance is also increased with a signal-to-noise ratio of better than 70dB.
Features
===================
- Built-in pre-emphasis, audio limiter, audio filter circuit
- Built-in PLL frequency synthesizer integrated for stable transmission frequency
- Built-in Stereo Encoder
- Built-in RF Oscillator
- Built-in RF Output Buffer
Free Schematics
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Stereo PLL FM Transmitter schematic
Stereo Encoder schematic
Specifications:
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- Voltage Supply: 4-6V
- Transmission frequency: 87.7 - 88.9MHz, 106.7 - 107.9MHz, 200kHz steps
- Separation: 40dB
- SOIC22
Related Products
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SAA1057 - PLL Frequency Synthesizer IC
Single chip frequency synthesizer that provides PLL tuning for transmitters and receivers.
Specifications:
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- FM Frequency Tunning: 70 - 120MHz
- AM Frequency Tunning: 512KHz - 32MHz
- Voltage Supply: 3.6 - 12V
- Power Consumption: 20mA
- DIP-18
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