www.Agilent-Tech.comProductsServices & Supportwww.HP.com
Agilent-Technologies LogoSemiconductor Products
SPG home
 HPRFhelp home

 WLL description
  1.5-2.5 GHz
  3-4 GHz
  handset stds

 What's New
 How to Buy
3 to 4 GHz Proprietary Standards

Wireless Local Loop


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

Agilent Technologies supplies:
solid state RF components for the radio

WLL 3-4 GHz Rx-LNA top

Detects and amplifiers incoming signal
[varies with implementation]

ATF-34143, ATF-36xxx, ATF-10xxx, ATF-13xxx, ATF-21186
MGA-85563, MGA-865xx, MGA-875xx

WLL 3-4 GHz Rx-Down Converter top

Converts output of LNA to IF frequency
[varies with implementation]

ATF-36xxx, ATF-10xxx, ATF-13xxx, ATF-21186 transistors as active mixer
HSMS-820x Schottky diodes

WLL 3-4 GHz Rx-IF top

Low frequency amplification
[varies with implementation]

AT-415, AT-320, AT-310, AT-305 bipolar transistors
INA-30311, INA-51063, MSA-0611 and other MSA and INA gain blocks

WLL 3-4 GHz T/R Switch top

provides isolation between transmit and receive paths
[varies with implementation]

HSMP-382x, HSMP-3890 PIN diodes as switches

WLL 3-4 GHz PLL top

Provides stable carrier for frequency conversion and/or modulator

oscillator : ATF-10xxx, ATF-13xxx FETs, AT-415, AT-320 bipolars

buffer : ATF-10xxx, ATF-13xxx FETs, AT-415, AT-320 bipolars
or MGA-865xx, MGA-87563 and other MGA, INA, and MSA series gain blocks

prescalers: no Agilent Technologies products

phase comparator: no Agilent Technologies products

WLL 3-4 GHz Baseband top

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

[varies with implementation]

no Agilent Technologies products

WLL 3-4 GHz Tx-Power Amplifier top

amplifies outgoing signal for broadcast, sets to correct power level
[varies with implementation]

ATF-44xxx, ATF-45xxx, ATF-46xxx FETs
ATF-34143, ATF-10xxx, ATF-21186 FETs for power to 100 mW
MGA-83563, MGA-82563, MGA-81563

HSMS-28xx detector diodes for power control

WLL 3-4 GHz Tx-Driver top

"glue" part that amplifies modulator output sufficiently to drive power chain
[varies with implementation]

ATF-34143, ATF-10xxx, ATF-13xxx, ATF-21186
MGA-815xx, MGA-86563

WLL 3-4 GHz Tx-Modulator top

combines data with carrier
[BPSK, QPSK, or modulated VCO depending on architecture]

modulated VCO:
ATF-10xxx, ATF-13xxx FETs
AT-415, AT-320, AT-310 bipolar transistors

BPSK: HPMX-2006 or any HPMX vector modulator listed for QPSK below plus HSMS-820x as upconverter

HPMX-2007 (dual conversion)
HPMX-2003 (direct) plus HSMS-820x as upconverter

Privacy Statement Terms of Use

this page last updated: 1 October 1999