FM Module Introduce : Nigata FM Tx / Rx , KND FM Tx / Rx
Ø FM STEREO Transmitter
☞ Niigata P/N : NS73M-61AU-90F1 ( External 32.768KHz RTC X-Tal )
Features
• I/Q Modulation with 304KHz offset
• 87.5 ~ 107.0MHz
• Interface : I2C or 3-wire
☞ KND P/N : GTK-100 ( Internal 32.768KHz RTC X-Tal )
Features
▪ International compatible 76.0MHz ~108.0MHz
▪ Industry standard 2-wire I²C MCU interface compatible
▪ Programmable transmit level
▪ Programmable pre-emphasis (50/75us)
Ø FM STEREO Receiver
☞ Niigata P/N : NS953M-36AW-01F1 ( External 32.768KHz RTC X-Tal )
Features
• Ultra Low Power : typ. 8.0mA
• RF Automatic Gain Control(ACC) Circuit
• No external IF BPF and discriminator and less external parts
• High Cut Control(HCC) and Stereo Noise Control(SNC)
• I2C Interface
☞ KND P/N : GRA-600 ( Internal 32.768KHz RTC X-Tal )
Features
▪ Worldwide FM band support: 76~108MHz
▪ Frequency synthesizer with integrated VCO and automatic Frequency Control (AFC)
▪ Automatic Gain Control (AGC) on LNA/VGA amplifiers
▪ Signal strength measurement.
▪ Programmable de-emphasis time constant (50/75us)
▪ Adaptive noise suppression
▪ Analog output with volume control and Line-level outputs
▪ Serial control interface for 2-wire
▪ Embedded Seek tuning function
