DECT
Digital European Cordless Telecommunications
European standard for cordless telephones
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Agilent Technologies supplies:
solid state RF components in the mobile unit and base stations
 RF Chipset solution for DECT
Detects and amplifiers incoming signal
[1800 MHz, NF1-2 dB, Ga 12-20 dB; <3 volt operation]
3V:
Discrete Bipolar Transistors: HBFP-0405, HBFP-0420, AT-320, AT-310, AT-305
Discrete GaAS FETs: ATF-21186
Integrated Circuits: MGA-85563, MGA-87563
| DECT Rx-Down Converter |
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Converts output of LNA to IF frequency
[1800 MHz to 100 MHz conversion, <3 volt operation]
3V:
IAM-91563
HPMX-5001 includes this function
Low frequency amplification
[~100; <3 volt operation]
3V:
INA-30311 can be used as IF amplifier
HPMX-5002 performs IF amplification plus demodulation and data slicing
provides isolation between transmit and receive paths
[1800 MHz, <3 volt operation]
HSMP-3860, HSMP-3890 PIN diodes
Provides stable carrier for frequency conversion and/or modulator
[architecture dependent, <3 volt operation]
The HPMX-5001, HPMX-5002 chipset includes some PLL functionality
Individual components:
oscillator : AT-320, AT-310, AT-305
buffer : AT-320, AT-310, AT-305
INA-31063
prescalers: no Agilent Technologies products
phase comparator: no Agilent Technologies products
provides data inputs to modulator, converts output of IF into information
HPMX-5002 includes part of this function
| DECT Tx-Power Amplifier |
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amplifies outgoing signal for broadcast, sets to correct power level
[1800 MHz, <30 dBm Pout, <3 volt operation]
AT-380xx, AT-420xx, ATF-21186 for power to 100 mW
MGA-83563, MGA-82563, MGA-81563
HSMS-28xx detector diodes for power control
"glue" part that amplifies modulator output sufficiently to drive power chain
[1800 MHz, 0 to 10 dBm Pout, <3 volt operation]
MGA-81563
AT-32011
combines data with carrier
[1800 MHz, constant envelope phase modulation of moderate linearity; <3 volt operation]
The HPMX-5001 and HPMX-5002 chipset includes the modulator functionality
for systems using modulated VCO,
AT-415, AT-320, AT-310, AT-305 as oscillator
for systems using IQ modulation,
HPMX-2007
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