Description
The Si4133 is a monolithic integrated circuit that performs both IF and dualband RF synthesis for wireless communications applications.
The Si4133 includes three VCOs, loop filters, reference and VCO dividers, and phase detectors.
Features
- Dual-band RF synthesizers.
- RF1:.
- 900 MHz to 1.8 GHz.
- RF2: 750 MHz to 1.5 GHz.
- IF synthesizer.
- IF:
62.5 to 1000 MHz
Integrated VCOs, loop filters,.
- varactors, and resonators Minimal (2) number of external components required
Low phase noise Programmable powerdown modes 1 µA standby current 18 mA typical supply current 2.7 to 3.6 V operation Packages: 24-pin TSSOP, 28-lead QFN.
- Lead-free
Ordering Information: See.