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 IS-95 CDMA 800
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IS-95 NADC

CDMA based North American Digital Cellular telephone.

  lna mixer if  
  LNA Down Converter IF  
  switch pll baseband  
  Duplexer/Routing PLL Baseband  
  pa driver mod  
  Power Amp Up Converter
Driver
Modulator  
  Required Functions & Agilent Technologies products  

Agilent Technologies supplies:
chipsets and individual solid state RF components for the mobile unit
solid state RF components for the base station

CDMA Dual Band Chipset


IS-95 NADC Rx-LNA top
Detects and amplifiers incoming signal

handset [869-894 MHz, 3V operation, good noise figure, low current]:
Discrete Bipolar Transistors: ATF-38143
HBFP-0420, AT-32011
Integrated Circuits: MGA-72543 LNA with bypass switch
INA-12063, MGA-87563

base station LNA (Tower Mount Amplifier, Multi Carrier LNA) [824-849 MHz, excellent NF, high dynamic range]:
Discrete GaAS FETs: ATF-33143, ATF-34143, ATF-10136, ATF-21186
Integrated Circuits: MGA-72543, MGA-82563, MGA-83563
PIN diodes for gain set: HSMP-381x

base station radio card [824-849 MHz, good NF, high dynamic range]:
Discrete GaAS FETs: ATF-33143, ATF-34143, ATF-21186
Integrated Circuits: MGA-72543, MGA-82563, MGA-83563


IS-95 NADC Down Converter top

Converts output of LNA to IF frequency
handset [869-894 MHz in, 3V operation, low current]:
Integrated Circuits: HPMX-7102 DBTM downconverter
IAM-91563

base station radio card [824-849 MHz in]:
Integrated Circuits: IAM-81008
Discrete Diodes: HSMS-2829


IS-95 NADC IF top

Low frequency amplification
handset [70-200 MHz, 3V operation, low current]:
Integrated Circuits: INA-30311

base station radio card [70-200 MHz]:
Integrated Circuits:
high gain: INA-02186, INA-10386, INA-52063, INA-51063
high gain/ma: INA-12063, INA-30311, INA-51063, INA-31063, INA-50311, MSA-0686
high Pout: MSA-1105, MSA-0886, MSA-0486, MSA-0386, INA-10386


IS-95 NADC Duplexer / Routing Switch top

T/R: provides isolation between transmit and receive paths
Routing: includes or excludes elements from RF path, e.g. LNA switching for large signal case or signal path routing in multi-mode phones.

handset
T/R isolation: uses duplexer
routing: Discrete Diodes: HSMP-3860, HSMP-3880 , HSMP-3890 PIN diodes

base station radio card [to 1975 MHz, fast, low distortion]:
Discrete Diodes: HSMP-3860, HSMP-3880 , HSMP-3890 PIN diodes


IS-95 NADC PLL top

Provides stable carrier for frequency conversion and/or modulator

handset [architecture dependant, 3V operation, low current]:
Oscillator: AT-32033, AT-31033, HBFP-0420, HBFP-0405
Buffer Amplifier: INA-31063, MGA-85563
Prescalers: no Agilent Technologies products
Phase Comparators: no Agilent Technologies products

base station radio card [architecture dependant]:
Oscillator: AT-32033, AT-31033, HBFP-0420, HBFP-0405
Buffer Amplifier: INA-31063, MGA-86563, MGA-85563, INA-51063
Prescalers: no Agilent Technologies products
Phase Comparators: no Agilent Technologies products


IS-95 NADC Baseband top

provides data inputs to modulator, converts output of IF into information

no Agilent Technologies products


IS-95 NADC Tx-Power Amplifier top

amplifies outgoing signal for broadcast, sets to correct power level

handset [824-849 MHz, 3V operation, 1W Pout, high efficiency]:
Power Module: QPMC-9804 DBTM power module
Discrete Transistors (power to 100 mW): AT-38043, ATF-34143
Integrated Circuit Amplifiers power to 100 mW): MGA-82563, MGA-83563
Detector diodes for power control: HSMS-28xx

base station radio card [869-894 MHz, 10 mw - 1W Pout]:
Discrete Transistors (power to 100 mW): AT-380xx, ATF-34143, ATF-21186
Integrated Circuit Amplifiers power to 100 mW): MGA-82563, MGA-83563
Detector diodes for power control: HSMS-28xx


IS-95 NADC Tx-Up Converter / Driver top

Upconverts modulator outpurt to RF frequency; amplifies sufficiently to drive power chain.
alt: "glue" part that amplifies modulator output sufficiently to drive power chain

handset Integrated Up Converter Driver IC: HPMX7201 DBDM up converter driver, HPMX-7202 DBTM up converter driver

Driver Amplifier [824-849 MHz, 3V operation, 0 to 10 mW Pout, high efficiency]:
Integrated Circuit Amplifiers: MGA-72543 step gain amplifier, MGA-81563

Discrete Transistors: HBFP-0420, AT-320xx, AT-415xx, ATF-34143
base station radio card [869-894 MHz, 0 to 10 mW Pout]:
Discrete Transistors: HBFP-0420, AT-320xx, AT-415xx
Integrated Circuit Amplifiers: MGA-72543, MGA-81563, INA-52063, MSA-0611, MSA-2111


IS-95 NADC Tx-Modulator top

combines data with carrier

3V:
HPMX-2007 dual conversion architecture
HPMX-2006 as up converter (dual conversion)

5V:
HPMX-2003 direct conversion architecture (base station)


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this page last updated: 20 October 1999