TRF3761-AIRHAR
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