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Atmel Electronic Components Datasheet

U3600BM Datasheet

SINGLE CHIP CORDLESS TELEPHONE IC

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Features
All Functions and Channel Selections are Controlled by Serial Bus
RF Part
All Oscillators and PLL Integrated
IF Converter
FM Demodulator
RSSI
Low Frequency Part
Asymmetrical Input of Microphone Amplifier
Asymmetrical Output of Earpiece Amplifier
Compander
Power Supply Management
Serial Bus
Application
CT0 Standard
Narrowband Voice and Data Transmitting/Receiving Systems
Single-chip
Cordless
Telephone IC
U3600BM
Description
Preliminary
The programmable single-chip multichannel cordless phone IC includes all necessary
low frequency parts such as microphone- and earphone amplifier, compander, power-
supply management as well as all RF parts such as IF converter, FM demodulator,
www.DataSheet4U.comRSSI, oscillators and PLL. Several gains and mutes in transmit and receive direction
are controlled by the serial bus. The compander can be bypassed.
DataSheet4 U .com
Rev. 4516C–CT0–08/02
1
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Atmel Electronic Components Datasheet

U3600BM Datasheet

SINGLE CHIP CORDLESS TELEPHONE IC

No Preview Available !

www.DataSheet4U.com
Figure 1. Block Diagram
MIX1IN2
41
42
GNDLO
MIX1IN1
MIX1O OSCGND XCK
MIX2O
MIX2IN
VAF MIX2GND
40
39 38 37
36
35 34 33
Mixer1
Crystal
Oscillator
Mixer2
IFIN1
32
LO2
LO1
43
44
PCLO 1 1
f LO
VCO3 :2
f LO :N
fRef3 :K
fLO
sin cos
(3)
Phase
Comparator
Serial
Bus
Bias
Bat low
Detector
IFIN2
31
IF
Amp
RSSI
ETC
30
MUXDA
D
A
-+
EXIN
29
Expander
Ear
Amp
28
RECO1
RECO2
27
Demo-
dulator
26
RXO
DATRX
+
-
25
DAIN
RFOGND
RFO
RFOVB
2
3
4
1.5V
MixerT
+45
-45
(2)
VCO2
Loop
Filter
:D1
:M12
:D2
:M12
f Ref2
Phase
Comparator
(1)
:2
VCO1
:D3
f Mod
:10
:M
:2
fRef1
Phase
Comparator
24
- MIC
Mic
+ VRMIC
23 MICO
Compressor 22
21
20
COIN
CTC
COUT
+
Spl
Amp-
1.5V
Limiter
19
LIMIN
5
AGND
www.DataSheet4U.com6 7
8 9 10
11 12 13 14 15 16 17
18
VBIAS VRF
MLF LFGND MODIN
VDD
VSS
D
C OPOUT
DACO
OPIN
TXO
(1): PLL1: Modulator PLL
(2): PLL2: Mixer PLL
(3): PLL3: Local oscillator (LO) PLL
2 U3600BM
DataSheet4 U .com
4516C–CT0–08/02
www.DataSheet4U.com


Part Number U3600BM
Description SINGLE CHIP CORDLESS TELEPHONE IC
Maker ATMEL Corporation
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U3600BM Datasheet PDF






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1 U3600BM SINGLE CHIP CORDLESS TELEPHONE IC
ATMEL Corporation





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