27.5~31GHz 8 Channel Ka Band Tx Beamformer ZRF8165 that Each Channel Has 6-bit of Digital Shift Phase and Gain Control

2024-02-20 ZIRO
8 Channel Ka Band Tx Beamformer,eight channel transmit active beamforming RFIC,ZRF8165

The ZRF8165 eight channel transmit active beamforming RFIC is a channel transmit active beamforming RFIC designed for application in Ka band planar phased array antennas, each channel has 6-bit of digital shift phase and gain control. The device has a 28dB nominal gain and 11dBm OP1dB. The device integrated an 8-bit ADC for sampling the outputs of the eight power detectors and the temperature sensor. The 8 Channel Ka Band Tx Beamformer chip features ESD protection on all pins. 


Control of all the on-chip registers is through a simple 4-wire serial port interface (SPI). In addition, three address pins allow SPI control of up to 8 devices on the same serial lines.


Features 

● Frequency range: 27.5 to 31GHz 

● 360° phase adjustment range 

Step size: 5.625° 

● Signal gain (@29GHz): 28dB 

● Channel-to-channel isolation: TBD dB 

● Output P1dB: 11dBm 

● Gain adjustment range: 31.5dB

Step size: 0.5dB 

● Operating power supply: 

VDD1P2: +1.2V 

VDD3P3: +3.3V 

Internal LDO: +2.5V 

● Operating temperature: -40℃ to + 85℃

● Integrated temperature sensor 

● Package size: 4.4mm×4.4mm×0.58mm 

● 4-wire SPI interface


Applications 

Satellite communication, array antenna, ground terminal, and other communication equipment.


Functional block diagram

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