Monolithic Digital Stereo FM Transmitter
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Monolithic Digital Stereo FM Transmitter Radio-Station-on-a-Chip™
KT0801
Xtal1 Xtal2
Features
P...
Description
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Monolithic Digital Stereo FM Transmitter Radio-Station-on-a-Chip™
KT0801
Xtal1 Xtal2
Features
Professional Grade System-on-a-Chip (SoC) HighFidelity Stereo Audio FM Transmitter: SNR ≥ 68 dB Stereo Separation > 50dB International compatible 76MHz ~ 108MHz Minimal External Component Requirement: Crystal optional (in lieu of direct feeding of an external clock) Ultra-Low Power Consumption: < 12.6 mA operation current < 1 µA standby current Dual Reference Clock Setup: Supports both 7.6MHz and 15.2MHz Small Form factor: 24-pin 4x4x0.9 mm QFN (Pb-free and RoHS Compliant) Simple Interface: Single 1.8V (in lieu of 1.6~3.6V regulator feed) 2 Industry standard 2-wire I C MCU interface compatible Advanced Digital Audio Signal Processing: On-chip 20-bit ΔΣ Audio ADC On-chip DSP core On-chip 24dB PGA Automatic calibration against process and temperature On-Chip LDO (low-drop-out) regulator: Accommodates 1.6V ~ 3.6V supply Programmable transmit level Programmable pre-emphasis (50/75 µs)
Left In
PGA/ADC
KTAT0801 Block Diagram
XTAL
Pre-Emph KTM proprietary Frequency Synthesizer & FM modulator
Digital MPX
Right In
PGA/ADC
Pre-Emph
Channel Selector
SDA SCL
I2C Control Register Bandgap & Reference
RF Power Amp
Calibration
RF Out
Figure 1: KT0801 System Diagram
General Description
The KT Micro KT0801 Monolithic Digital FM Transmitter is designed to process high-fidelity stereo audio signal and transmit modulated FM signal over a short range. The modulated...
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