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Motorola Electronic Components Datasheet

MC33411B Datasheet

(MC33411A/B) ANALOG CORDLESS PHONE BASEBAND

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MC33411A/B
900 MHz Analog Cordless
Phone Baseband with
Compander
The MC33411 900 MHz Analog Cordless Phone Baseband system is
designed to fit the requirements of a 900 MHz analog cordless telephone
system. Included are three PLLs (Phase–Locked Loops). Two are intended
for use with external VCOs and 64/65 or 128/129 dual modulus prescalers,
and can control the transmit and receive (LO1) frequencies for 900 MHz
communication. The third PLL is configured as the 2nd local oscillator (LO2),
and is functional to 80 MHz. Also included are muting, audio gain adjust
(internal and external), low battery/carrier detect, and a wide range for the
PLL reference frequency. The power supply range is 2.7 to 5.5 V. ”A” version
devices have programmable MCU clock out and reference oscillator disable
functions, whereas these functions are always enabled for ”B” version
devices.
Complete Expander/Compressor for Superior Noise Rejection
Two PLLs and a LO Suitable for a 900 MHz System
Minimal External Components
Transmit Path Includes Adjustable Gain Amplifier, Filters, Mute,
Compressor with Bypass and Limiter
Receive Path Contains Data Slicer, Adjustable Gain Amplifier, Sidetone
Attenuator, Filters, Expander with Bypass, Mute, Volume Control and
Power Amplifier
Dual A/Ds are Provided to Monitor RSSI and VCC
Independent Power Amplifier with Differential Outputs and Mute
Selectable Frequency for Switched Capacitor Filters, PLLs and the LO
Reference Frequency Source can be a Crystal or System Clock
Serial µP Port to Control Gain, Mute, Frequency Selection, Phase
Detector Gain, Power Down Modes, Low Battery Detect and Others
Power Supply Range: 2.7 to 5.5 V
Power Down Modes for Power Conservation
900 MHz ANALOG
CORDLESS PHONE
BASEBAND
WITH COMPANDER
SEMICONDUCTOR
TECHNICAL DATA
48 1
FTA SUFFIX
PLASTIC PACKAGE
CASE 932
(LQFP–48)
ORDERING INFORMATION
Device
Operating
Temperature
Package
MC33411AFTA
MC33411BFTA
TA = –20 to 70°C
LQFP–48
DS In
RSSI
Tx In
Rx Out
Data
VCC Slicer
Dual
A/D
Amp/Mute
Compressor
Filter Gain Adj
Filter Sidetone Attn
Mute Expander
Power Amp
Programmable
Counters
Simplified Block Diagram
MCU
Interface
PLL PLL
#1 #2
This device contains 11,108 active transistors.
LPF+ VCO +
Prescaler
LPF+ VCO +
Prescaler
2nd
LO
LPF
DS Out
Tx Out
Audio In
MCU Clock
Clock
Enable
Data
Tank
LO2 Out
MOTOROLA RF/IF DEVICE DATA
© Motorola, Inc. 1999
Rev 2
1


Motorola Electronic Components Datasheet

MC33411B Datasheet

(MC33411A/B) ANALOG CORDLESS PHONE BASEBAND

No Preview Available !

MC33411A/B
1.0 k
1.0 µ
RSSI In
1.0 µ
Rx Audio In
DS In
VCC
49.9
Gnd Audio
LO2 Out
VCC
0.001 µ
0.1 µ
5.6 p
LO2 VCC
1.0 µ
LO2+
LO2 Ctl
37
38
39
40
41
42
43
44
5.62 k
LO2–
100 p
LO2 Gnd
45
46
LO2PD 47
LO2 Gnd
48
Figure 1. Test Circuit
VCC
1.0 µ
1.0 µ
1.0 µ
4.99 k
0.47 µ
Rx
Out
36
E In
35
Ecap E Out PAI
34 33 32
4.99 k
VCC
1.0 µ
0.1 µ
130
VCC
Gnd PA PAO– PAO+ PA
4.7
VB
31 30
29 28
27
Tx Audio
1.0 µ
0.1 µ 47.5 k
VAG MCI
26 25
47.5 k
Rx Mute
Expander Vol
Ctl
Exp PT
Power
Amp Mute
Power Amp
AALPF LPF
Attn
Rx Gain Adj
BG Vref
VCC
Audio
RSSI 6b A/D
Converter
VCC 6b A/D
Converter
SPI
SPI
SPI
Side Tone
Attn
Mic Amp
Comp PT VB
ALC
Compressor
SPI
Low Max
Gain
2nd LO
VCO
14b Ctr
LO2 Phase
Detect
7b A’
Mod Ctl
Data Slicer
Tx Gain Adj
Limiter
LPF
Tx Mute
Inverter SPI
SCF Clk
Divide
By 2
6b SCF
Clk Ctr
13b N’
Rx Phase
Detect
12b Ref Ctr
13b N
Tx Phase
Detect
7b A
Mod Ctl
MCU
Interface
MCU
Clk Ctr
SPI
24 MCO
VCC
23 Audio
0.1 µ
22 C In
VCC
10 µ
21 Ccap 0.47 µ VCC
C Out
20
19 Lim In
1.0 µ
1.0 µ
1.0 µ
Tx Out
18
1.0 µ
17 DS Out
10 k
16 Fref Out
0.1 µ
15
Fref In
14 Gnd Digital
13
MCU Clk Out
1 2 3 4 5 6 7 8 9 10 11 12
FRx MC FRx
VCC
0.001 µ
0.01 µ
PLL Rx PD
VCC
1.0 µ
PLL
Gnd
Tx PD
VCC
0.001 µ
PLL
VCC
1.0 µ
FTx FTx MC EN
0.01 µ
CLK Data
RF In
49.9
RF In
49.9
2 MOTOROLA RF/IF DEVICE DATA


Part Number MC33411B
Description (MC33411A/B) ANALOG CORDLESS PHONE BASEBAND
Maker Motorola
Total Page 30 Pages
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