UPD3140GS中文資料瑞薩數(shù)據(jù)手冊PDF規(guī)格書

1.8 to 5.5 V BIAS, 80 MHz to 550 MHz DUAL PLL FREQUENCY SYNTHESIZER

LSI FOR CORDLESS TELEPHONES AND PORTABLE CELLULAR RADIO

FEATURES

? Supply voltage: VCC1 = VCC2 = 1.8 to 5.5 V

? Input operating frequency: fin = 80 MHz to 550 MHz (PLL 1ch, 2ch in common)

? Reference oscillating frequency fref = 30 MHz MAX.. Built-in high-speed reference oscillator signal can be taken out from the

buffer amplifier output pin.

? Built-in power-save function: control 2 prescaler’s ON/OFF operation individually.