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ADMV1239BBCZ is an integrated single-chip solution featuring a dual-channel upconverter, dual-channel downconverter, and beamformer operating in the 37.0 GHz to 43.5 GHz mmWave 5G frequency band. The RF integrated circuit (RFIC) features a 2x8 configuration, integrating two transmit/receive streams (2T2R) and 16 independent TX and RX beamforming channels, supporting both single-polarisation and dual-polarisation array designs.

On-chip transmit/receive switches connect the RF output of each polarisation's upconverter and the RF input of the downconverter to eight independent channels via a 1:8 power divider/combiner.

The ADMV1239BBCZ is housed in a compact chip-scale ball grid array (BGA) package. The ADMV1239BBCZ operates within a case temperature (TC) range of −40°C to +95°C. This package enables the ADMV1239BBCZ to dissipate heat from the top of the package for efficient thermal management and allows flexible antenna placement on the opposite side of the printed circuit board (PCB).

ADMV1239BBCZ Product Features

Integrated 16 (2x8) channel beamformer paired with 2-channel transmit (TX) and 2-channel receive (RX) upconverter/downconverter (UDC)

RF range: 37.0 GHz to 43.5 GHz

x4 LO multiplier chain  

Optional external filtering for spurious suppression  

Significantly reduced power consumption per beamformer channel compared to the previous generation  

16 configurable TX and RX channels  

Dual-polarisation, 8 horizontal and 8 vertical channels paired with independent UDCs  

50Ω matched, single-ended RF input/output and single-ended LO input  

Fast TDD switching (using the TRX_x pin)

On-chip temperature sensor for automatic temperature compensation and gain setting for RX and TX

Memory for TX and RX beam positions

NVM for phase and gain calibration

Up-conversion mode

Sideband suppression and carrier feedthrough optimisation

Envelope detector for LO feedthrough calibration

Single-channel power detector

Down-conversion mode

Integrated single RX channel overload detection circuit

3-wire or 4-wire SPI Supports SPI clock speeds up to 133 MHz

ADMV1239BBCZ Product Applications

mmWave 5G applications

Broadband communications

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