TRF3761-CIRHAT

集成VCO的整数N分频PLL INTEGER-N PLL WITH INTEGRATED VCO

DESCRIPON

TRF3761 is a family of high performance, highly integrated frequency synthesizers, optimized for high

performance applications. The TRF3761 includes a low-noise, voltage-controlled oscillator VCO and an

integer-N PLL.

FEATURES

• Fully Integrated VCO

• Low Phase Noise: –137dBc/Hz at 600kHz, fVCO of 1.9GHz

• Low Noise Floor: –158dBc/Hz at 10MHz Offset

• Integer-N PLL

• Input Reference Frequency range: 10MHz to 104MHz

• VCO Frequency Divided by 2-4 Output

• Output Buffer Enable Pin

• Programmable Charge Pump Current

• Hardware and Software Power Down

• 3-Wire Serial Interface

• Single Supply: 4.5V to 5.25V Operation

APPLICATIONS

• Wireless Infrastructure

– WCDMA, CDMA, GSM

– Wideband Transceivers

– Wireless Local Loop

– RFID Transceivers

– Clock generation

– IF LO generation