MMIC gain block eliminates need for equalization
The CMX90G301/2 from CML Microcircuits is a low-power 50 Ω cascadable MMIC gain block suitable for a wide variety of wireless applications operating in the 1.4 GHz to 7.1 GHz frequency range.
It is in stock at distributor Digi-Key.
The gain block has a positive gain slope of C across the band, eliminating the need for equalization and compensating for increasing system losses with frequency.
The CMX90G301/2 is highly integrated for ease of use, minimising component count and board area. RF ports are matched on-chip to 50 Ω with DC-blocking capacitors.
An active bias circuit allows the device to operate over a wide supply voltage of 2.7 V to 5 V with a typical current of 20 mA.
Use GaAs pHEMT to provide a combination of low DC power, low noise, and high gain.
Features
- Wide frequency range: 1.4 GHz to 7.1 GHz
- Positive gain-slope: +1 dB (CMX90G301) / +2 dB (CMX90G302)
- Small signal gain: 14.5 dB to 16.5 dB
- Single positive DC supply: 2.7 V to 5 V
- Low noise figure: 2 dB
- Input and output matched to 50 Ω
- Output P1dB: +11.5 dBm at 3.5 GHz
- 1.8 V logic-compatible enable
- Maximum operating temperature: 105°C
Applications
- Tx and Rx systems
- 4G / 5G wireless infrastructure
- TDD and FDD
- IF amplifiers
- License-free bands
- General-purpose gain blocks
- Eliminate passive equalizers
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