Power

MMIC power amplifiers target 860 – 960 MHz, license-free bands

30th April 2021
Mick Elliott

RFMW is now marketing and selling two MMIC power amplifiers from CML Microcircuits.

The CMX90A003 and CMX90A004 are two-stage, fully matched MMIC power amplifiers for use in 860 – 960 MHz, license-free bands.

Advanced GaAs HBT technology provides a combination of high efficiency (49% PAE) and gain (30 dB).

The CMX90A003 is optimised for efficiency at low collector voltages (1.9 – 2.5 V) while delivering 29.5 dBm of saturated power.

Ideal as a booster PA for range extension of low-power transceivers, it is suitable for systems with supercapacitor backup storage, thus extending the discharge period or battery life.

The CMX90A004 is optimised for maximum efficiency at collector voltages of 2.7 – 4.5 V and intended as a final stage amplifier with 32.5 dBm saturated output power.

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