24GHz FSK/GFSK High Power Transceiver, Tray

Manufacturer's part number :


Manufacturer Amiccom


Description :

A7190 is a high TX power and low cost 24GHz ISM band transceiver This device integrates both high sensitivity receiver (-85dBm @4Mbps) and programmable high efficiency power amplifier (15 ~ 17dBm) Based on Data Rate Register (0x0E), user can configure on-air data rates to either 2Mbps or 4Mbps

A7190 supports fast PLL settling time (30 us) for frequency hopping system For packet handling, A7190 has built-in separated (512 bytes) TX/RX FIFO for data buffering and burst transmission, auto-ack and auto-resend, CRC for error packet filtering, FEC (7,4 hamming code) for 1-bit data correction per code word, RSSI for clear channel assessment, thermal sensor to monitor relative temperature, data whitening for data encryption / decryption In addition, A7190 has built-in AES128 co-processor (Advanced Encryption Standard) for advanced data encryption or decryption which consists of the transformation of a 128-bit block into an encrypted 128-bit block Those functions are very easy to use while developing a wireless system All features are integrated in a small QFN 4X4 20 pins package

A7190's control registers are accessed via 3-wire or 4-wire SPI interface such as TX/RF FIFO, ID register, RSSI value, frequency hopping and calibration procedures Another one is the unique Strobe command via SPI to control power saving mode (sleep, idle, standby), TX mode and RX mode The other connections between A7190 and MCU are GIO1 and GIO2 (multi-function GPIO) to output A7190's status so that MCU could use either polling or interrupt scheme for radio control Overall, it is very easy to develop a wireless application by a MCU and A7190 because of its rich and easy-to-use features

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  • Small size (QFN4 X4, 24 pins)
  • Frequency band: 2400 ~ 24835MHz
  • FSK or GFSK modulation
  • Sleep current (15 uA)
  • RX current consumption: 30mA (AGC on)
  • TX current consumption: 107mA (17 dBm)
  • On chip regulator, support input voltage 22 ~ 27 V
  • Programmable data rate 2M or 4Mbps
  • Programmable TX power level from 15 dBm to 17 dBm
  • High RX sensitivity:
  • -85dBm at 4Mbps on-air data rate
  • Fast PLL settling time (30 us) for frequency hopping system
  • Built-in AES128 co-processor
  • AGC (Auto Gain Control) for wide RSSI dynamic range
  • AFC (Auto Frequency Compensation) for frequency drift due to temperature
  • Support low cost crystal (16 / 18 MHz)
  • Low Battery Detector indication
  • Easy to use
  • Support 3-wire or 4-wire SPI
  • Unique Strobe command via SPI
  • ONE register setting for new channel frequency
  • CRC Error Packet Filtering
  • Auto-acknowledgement and auto-resend
  • Separated 512Byte TX/RX FIFO
  • 8-bits RSSI measurement for clear channel indication
  • Auto Calibrations
  • Auto IF function
  • FEC by (7, 4) Hamming code (1 bit error correction / code word)
  • Easy FIFO / Segment FIFO
  • Support FIFO mode frame sync to MCU
  • Support direct mode with recovery clock output to MCU
Features Similar products
Function ISM Band Transceiver  

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Frequency Range 2400 to 24835 MHz  
Operating Temperature (°C) -40 to 85  
Package QFN-24