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Description
The RDA8853C is a CMOS single-chip fully-integrated transceiver IC for Walkie Talkie applications, developed by RDA Microelectronics Inc. It features a powerful digital signal processor which results in optimum voice quality, robust performance and flexible function options under varying reception conditions. This IC can fully integrate the frequency synthesizer and VCO and supports a worldwide frequency band.
Specifications and features
- Fully integrated frequency synthesizer and VCO
- Support worldwide frequency band: 134MHz ~ 174MHz, 400MHz ~ 500MHz
- 12.5KHz, 25KHz channels
- Support multiple XTAL clocks, 12.8/25.6Mhz, 13/26Mhz
- Digital auto frequency control (AFC)
- Digital auto gain control (AGC)
- Selectable pre/de-emphasis
- Received signal strength indicator (RSSI)
- VOX and Squelch (SQ)
- Build-in CTCSS/CDCSS generator and judgment
- DTMF and programmable in-band dual tone
- Programmable in-band single tone transmitter
- Auto RX/TX/SLEEP state switching
- 8 GPIOs
- 3-wire/4-wire/I2C serial control bus interface
- On chip 8 dBm PA
- Analog and digital volume control
- Directly support 32Ω resistance loading
- 3.3 to 4.8 V supply voltage with Integrated LDO
- 5X5 mm 32 pin QFN package
Application Scenarios
The RDA8853C IC is specifically designed for the following applications:
- Cellular handsets
- Family radio services
- Walkie Talkies
Comparison
Advantages- Fully integrates frequency synthesizer and VCO
- Powerful digital signal processor
- Supports worldwide frequency bands
- Multiple XTAL clocks support
- Digital auto gain and auto frequency control
- Supports various tone generators
- Flexible function options
- Robust performance under varying reception conditions
Disadvantages- The IC is designed for Walkie Talkie applications only, and is not suitable for other communication devices
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Datasheet
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Shopping guide
Delivery period:
- - Will ship out in 2-3 days
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Additional Information
- Datasheet: Download RDA8853C
- Chipdatas Part: CD88-RDA8853C
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/10/01 07:23 +0800
Refund
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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