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PDF M64821FP Data sheet ( Hoja de datos )

Número de pieza M64821FP
Descripción 1 CHIP SYNTHESIZER & MODULATOR FOR PHS
Fabricantes Mitsubishi 
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MITSUBISHI ICs (COMMUNICATION)
M64821FP
1 CHIP SYNTHESIZER & MODULATOR FOR PHS
DESCRIPTION
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.
PIN CONFIGURATION (TOP VIEW)
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)
Outline 48P6D
APPLICATION
Digital cordless phone (PHS)
BLOCK DIAGRAM
to 1stMIX
from BBIC
VCO1
LPF
Control signals of
PLL(from BBIC)
L,C
Osc. Cir.
12 34
Vcc(MOD) 5
GND(MOD) 48
Ø
GND(SUB) 38
GAIN CONT
47
BPF
TX OUT
45
to RFIC
Up
Conv.
46 44
27 26 25 18 21 20 19 11 6 7 8 9 32 33
ON/OFFControl
(from BBIC)
17 CTL1(MainPLL)
Lock
CP1 Det
De-
coder
2nd Local
CP2
VCO
16 CTL2(LocalPLL)
15 CTL3(MOD&Up-Conv.)
14 CTL4(LIM&2ndMIX)
PLL1
(1st Local)
300KHz
Prescaler
fREF1
PLL2
(2nd Local)
100KHz
fREF2
1/2
13 CTL5(X'tal osc)
RSSI
34 Vcc(LIM)
31 GND(LIM)
DECOUPLE
36
LIM IN
35
OSC
2nd
MIX
29 30 28
24 23
22 12
10 40 39 42
MIX2OUT
37
41 GND
43 GND
X'tal
to BBIC
Matching
Cir.
BPF
1stIF
MITSUBISHI
ELECTRIC
1

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