EN
Our Product
产品中心
Product Category
BK9521/22 is a high data rate FSK/GFS K transceiver that operates in the frequency band of 4.9G to 5.85G Hz. The embedded packet processing engine enables it to fully operate with a very simple MCU as a wireless system. Sudden mode transmission of up to 6
Classification:
IC/Optical Lotus
WIFI IC
- Product Description
-
- Commodity name: BK9521/22 is a high data rate FSK/GFS K transceiver that operates in the frequency band of 4.9G to 5.85G Hz. The embedded packet processing engine enables it to fully operate with a very simple MCU as a wireless system. Sudden mode transmission of up to 6
Features of the BK9521 transmitting chip
Maximum transmission power: 14 dBm (V segment), 10 dBm (U segment)
Microphone gain adjustment range: 0-47.5 dB, 0.5 dB per step
Audio AGC and amplitude limiting
Dedicated GPIO indicates the energy of transmitting audio signals (GPO3)
Package: QFN 4x4 32 pin
Characteristics of receiving chip BK9522
Receiver sensitivity: -96 dBm (V-band), -96 dBm (U-band)
Dual antenna diversity, automatic antenna selection
RF AGC and AFC
Dedicated GPIO indicates receiving audio signal energy, dedicated GPIO indicates transmitting and receiving synchronization status
Digital mute; 8-segment audio equalization; Active anti howling function
Packaging: QFN 4x4 32 pin, 5x5 40 pin
Common parameters:
Support external PCM digital audio interface (mono)
Recommended working voltage: 2.8-3.6 V (working voltage can be as low as 2.2 V, but performance may deteriorate)
Operating frequency: 160-270 MHz (V-band), 500-980 MHz (U-band)
Crystal frequency: 24.576 MHz, crystal adjustment range:+/-20 ppm
Digital modulation method: pi/4 DQPSK; Occupation bandwidth: 300 kHz; Transmission rate 204.8 ksps
Delay: The delay from microphone input to audio output is less than 3 ms (48 kHz sampling rate mode, without using anti howling function)
Audio signal-to-noise ratio: 96 dB, frequency response: 30 Hz-20 kHz
1 byte dedicated data channel: 7 kbps, internal CRC check, audio and data are transmitted using 32-bit encrypted words
Related Products
8613632534755
Address: 12F, Building C, Tongjian Building, Nanyuan Street, Futian District, Shenzhen
