M64821FP MITSUBISHI | Alldatasheet
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Technical content
DESCRIPTION
MITSUBISHI ICs (COMMUNICATION) PIN CONFIGURATION (TOP VIEW) BLOCK DIAGRAM Outline MITSUBISHI ELECTRIC M64821FP
1 CHIP SYNTHESIZER & MODULATOR FOR PHS
FEATURES
- 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) 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. APPLICATION Digital cordless phone (PHS) CTL3(MOD&Up-Conv.) QB signal input Up Conv. PLL2 (2nd Local) CTL1(MainPLL) CTL2(LocalPLL) fREF1 LOCK Lock Det. output SI Serial Data CPS Clock LE Load enable Ø CTL5(X'tal osc) Vcc(MOD) GND(MOD) 2nd MIX CP1 Charge pump output Vcc(CP) GND(CP) Vcc(UPCON) GND(UPCON) CTL4(LIM&2ndMIX) GND(SUB) Q signal input I signal input IB signal input fREF2 XIN XOUT GAIN CONT TX OUT E B Vcc(VCO) GND(VCO) PLL1 (1st Local) Prescaler De- coder Lock Det CP1 2nd Local VCO CP2 300KHz GND(MIX) Vcc(MIX) MIX2IN XBO MIX2OUT Vcc(LIM) GND(LIM) DECOUPLE LIM IN RSSI CIN Vdd(PLL) GND(PLL) LIMOUT RSSI 100KHz OSC GND GND from BBIC LPFVCO1to 1stMIX to CINpin Control signals of PLL(from BBIC) L,C Osc. Cir. LPF to BBIC (Demod.) to BBIC ON/OFFControl (from BBIC) BPF Matching Cir. BPF 1stIFto BBIC X'tal from VCO1 BPF to RFIC from BBIC 12 3 4 27 26 25 18 21 20 19 11 6 78 9 32 33 42394010122223242830294446 CP2 Charge pump output GND(Prescaler) Vcc(Prescaler)