The U2760B is a single-chip PLL frequency synthesizer designed for use in a variety of communication and signal processing applications. Manufactured by TEMIC Semiconductors, this device integrates a phase-locked loop (PLL), voltage-controlled oscillator (VCO), and associated control logic to generate stable and accurate output frequencies.
Applications:
- Cordless telephones.
- Wireless microphone systems.
- Remote control systems.
- Amateur radio equipment.
- Satellite receivers.
Features:
- Integrated PLL frequency synthesizer.
- Wide frequency range.
- Low phase noise.
- Programmable divider ratios.
- Single supply voltage operation.
- Small package size.
Benefits:
- Stable and accurate frequency generation.
- Reduced component count and board space.
- Improved system performance.
- Simplified design and implementation.
- Lower power consumption.
Additional Details:
The U2760B operates over a wide frequency range, typically from a few MHz to several hundred MHz, depending on the specific configuration and external components used. It utilizes programmable divider ratios to achieve various output frequencies, offering flexibility in different applications. The low phase noise characteristic ensures a clean output signal, which is crucial for maintaining signal integrity in sensitive communication systems. The device operates from a single supply voltage, simplifying power supply requirements. It is usually packaged in a small outline package (SOP) or similar, allowing for efficient integration into compact electronic designs. The specific operating voltage depends on the configuration, but is typically 3V or 5V. The reference frequency is chosen depending on the desired output frequency resolution.