Wireless Components
RF/IF Double PLL Frequency Synthesizer
PMB 2347 Version 1.1
Specification August 1999
preliminary
Revision History: Current Version: 08.99
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Edition 03.99
Published by Infineon Technologies AG i. Gr.,
SC,
Balanstraße 73,
81541 München
©
Infineon Technologies AG i. Gr. 25.10.99.
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Critical components
1
of the Infineon Technologies AG, may only be used in life-support devices or systems
2
with the express written approval of the
Infineon Technologies AG.
1 A critical component is a component used in a life-support device or system whose failure can reasonably be expected to cause the failure of that life-
support device or system, or to affect its safety or effectiveness of that device or system.
2 Life support devices or systems are intended (a) to be implanted in the human body, or (b) to support and/or maintain and sustain human life. If they
fail, it is reasonable to assume that the health of the user may be endangered.
PMB 2347
preliminary
Productinfo
Productinfo
General Description
The PMB 2347 is a RF/IF double PLL
Package
frequency synthesizer implemented in
Infineon’ high speed BiCMOS technol-
ogy B6HFC. The device contains two
PLLs with integrated prescalers espe-
cially designed for use in battery pow-
ered radio equipment and mobile
telephones. Primary applications are
single- and dual-band digital cellular
systems e.g. GSM, PCN (DCS 1800)
and PCS systems.
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Features
Operation range 2.7 to 5.0 V
Low operating current consumption
Programmable power down modes
High input sensitivity and high input
frequencies: PLL1 (RF): 2.8 GHz
PLL2 (IF): 500 MHz
Programmable dual modulus
prescaler divide ratio:
PLL1: 1:64/65 or 1:32/33
PLL2: 16/17 or 1:8/9
Dividing ratios:
A counters: PLL1: 0 to 63
PLL2: 0 to 15
N counters: PLL1: 3 to 16,383
PLL2: 3 to 16,383
R counters 3 to 16,383 for PLL1
and PLL2
Fast phase detectors and charge
pump outputs without dead zone
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High phase noise performance
Switchable polarity and program-
mable phase detector currents
External reference current setting
for PD outputs
Fast serial 3-wire bus interface with
low threshold voltage Schmitt-Trig-
ger inputs for interfacing with low
voltage baseband circuits
Two data registers in PLL2 for fast
IF band switching
A programmable multi-functional
output port for lock detect (quasi-
digital lock detect) and test mode
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Ordering Information
Type
PMB 2347
Ordering Code
Package
P-TSSOP-20
Wireless Components
Product Info
Specification, August 1999
1
Table of Contents
1
2
2.1
2.2
2.3
3
3.1
3.2
3.3
3.4
4
4.1
5
5.1
5.1.1
5.1.2
5.1.3
5.1.4
5.2
5.3
5.4
5.5
5.6
Table of Contents
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Product Description
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Package Outlines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Functional Description
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Pin Definition and Function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Functional Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Circuit Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Applications
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Hint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Reference
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Electrical Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Operating Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Typical Supply Current ICC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
AC/DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
Serial Control Data Format Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
Serial Control Data Formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
Input Sensitives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13
Charge Pump Currents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15
Threshold Voltages of Schmitt-Trigger Input . . . . . . . . . . . . . . . . . . 5-16
2
Product Description
Contents of this Chapter
2.1
2.2
2.3
Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Package Outlines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
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