产品概述
KT0622 is one of product series of revolutionary wireless microphone chip family--KT06xx. Compared to the traditional solution, this product solution can save hundreds of electronic devices and maintain a high level of sound quality and functionality.
KT0622 is integrated with built-in audio amplifier, pre-emphasis filter, compressor, phase locked loop and programmable power amplifier. KT0622 uses frequency modulation to transmit the audio signal of the microphone and works in the VHF band.
KT0622 only needs a low-voltage power supply because of its built-in voltage regulator. Using KT0622 to design products can avoid tedious external debugging and save a lot of development investment.
KT0622 only needs a simple circuit to achieve mechanized tuning, and it can also use low-cost EEPROM to configure radio settings and meet the individual needs of customers. No MCU is needed, and its package is QFN24.
主要特性
Single-chip solution
Built-in MCU
potentiometer selects 16 preset channels
Fully integrated
Low-noise RF front-end
High-fidelity audio processing
Low-noise frequency synthesizer
High-power output PA
Support global band range
VHF: 160MHz~270MHz
Professional performance
Audio dynamic range ≥ 100 dB
Ultra-flat audio frequency response 20Hz~18KHz
Distortion <0.5%
Spurious emission <-60dBc
Emission power ≥10mW
Low power consumption
Working current <80 mA
Standby current <10 µA
Advanced features
Configurable microphone sensitivity
Adjustable emission power
Configurable compression time constant,
Built-in 75us de-emphasis filter,
Built-in battery low-voltage detection circuit,
No switching machine noise,
No interference noise,
Small size package
QFN24 package
Simple interface
Single power supply (2.2V- 3.6V)
Standard 2-wire MCU interface
Eco-friendly
Pb-free and RoHS standards
主要应用
Wireless microphone, conference system, wireless speaker
