STW82102B RF down converter with embedded integer-N synthesizer
The STMicroelectronics STW82102B is an integrated down converter providing 8 dB of gain and a noise figure of 10.5 dB. It features high linearity (IIP3: +25.5 dBm) and includes dual differential integrated VCOs with automatic center frequency calibration.
The device embeds an integer-N synthesizer, a DAC with dual current output to drive external PIN diode attenuators, and offers wide IF amplifier frequency ranges from 70 MHz to 400 MHz. It is designed for cellular infrastructure equipment such as IF sampling receivers and digital PA linearization loops.
| Input linearity (IIP3) | +25.5 dBm |
|---|---|
| Spurious rejection (2FRF-2FLO) | 85 dBc |
| Noise figure (NF) | 10.5 dB |
| RF input range | 1425 MHz to 1910 MHz |
| IF amplifier frequency range | 70 MHz to 400 MHz |
| LOA frequency range | 1500 to 1800 MHz |
| LOB frequency range | 1900 to 2200 MHz |
| Supply voltage (Analog) | 3.3 V and 5 V |
| Supply voltage (Digital) | 3.3 V |
| Operating temperature range | -40 to +85°C |
| Package type | VFQFPN-44 (7x7x1.0 mm) |
It is suitable for cellular infrastructure equipment such as IF sampling receivers and digital PA linearization loops.
The device features a fast lock time of 150 us.