Key Features
- High Gain: 28 dB @ 1218 MHz
- Adjustable Bias
- 57 dBmV/ch virtual 1.2 GHz, at 19 dB tilt
- Low Noise: 4.5 dB
- Excellent Composite Distortion
- Compact Size: 40P 5.0 x 7.0 QFN
The QPB8857 is a GaAs pHEMT/MESFET 75-ohm Doubler RF amplifier IC featuring over 28 dB of flat gain and low noise. This IC is designed to support DOCSIS 3.1 applications up to 1218 MHz using a single 24V supply. The QPB8857 offers low noise and low distortion at high efficiency consuming only 10.5 W in a 5.0 x 7.0 QFN package. Its compact size and low ϴjc enable integration that is ideally suited for hybrid module or an alternative to hybrid module applications.
Typical Applications
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- DOCSIS 3.1
- Broadband CATV hybrid modules
- Head End CMTS Equipment
- 75-ohm amplifiers
