The M64821FP is a semiconductor consisting of PLL and Modulator.
Using Bi-CMOS technology, it contains dual PLL (1.8GHz, 550MHz), a mixer for 2nd IF, transistor for VCO , modulator and Up-convertor on chip.
• Built-in 2nd mixer and RSSI
• Vcc=2.7 to 3.6V
• Icc= TYP.41mA (TX.), TYP.23mA (RX.)
• Built-in high accuracy phase shifter (CR type)
• Large Output (-13dBm type)
• Attenuator for Gain Control
• Gain characteristics with temperature dependent
• Built-in transistor and Buffer for 2nd Local VCO
• Built-in Buffer for 1.6GHz VCO
• Small Package (48pin QFP, lead pitch 0.5mm)
Digital cordless phone (PHS)