STW81102 is a multi-band RF frequency synthesizer with integrated VCOs and integer-N frequency synthesis. It features dual differential integrated VCOs, automatic center frequency calibration, fast lock time, and is suitable for 2.5G and 3G cellular infrastructure equipment, CATV equipment, instrumentation and test equipment, and other wireless communication systems.
The STMicroelectronics STW81102 is an integrated RF synthesizer featuring an Integer-N frequency synthesizer and two fully integrated VCOs. It is designed with a 0.35um SiGe process and offers a noise floor of -155 dBc/Hz. The device supports multiple output options including direct output, divided by 2, and divided by 4, covering frequency bands from 750 MHz to 4650 MHz.
| Process | BICMOS 0.35 um SiGe |
|---|---|
| Power supply | 3.3V |
| Package | VFQFPN28 5x5x1.0mm |
| Lock time | 150 us |
| Noise floor | -155 dBc/Hz |
| Frequency range (Direct) | 3000 - 3620 MHz, 4000 - 4650 MHz |
| Frequency range (Div by 2) | 1500 - 1810 MHz, 2000 - 2325 MHz |
| Frequency range (Div by 4) | 750 - 905 MHz, 1000 - 1162.5 MHz |
The device features a fast lock time of 150 us.
The integrated VCOs feature a noise floor of -155 dBc/Hz.
The device operates with a 3.3V power supply.