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HP supplies:
solid state RF components for the radio
Detects and amplifiers incoming signal
[900 MHz, <3 dB NF typ., ]
AT-415, AT-320, AT-310, AT-305, HBFP-0420, HBFP-0405
INA-12063, INA-51063, and other MSA, MGA and INA gain blocks
| ISM-900 Rx-Down Converter |
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Converts output of LNA to IF frequency
[900 MHz to 100 MHz conversion typ.]
AT-415, AT-3, HBFP transistors as active mixer
IAM-91563, IAM-81008, IAM-82008 IC mixers
HSMS-820x Schottky diodes
Low frequency amplification
[~70-100 MHz, 10 to 30 dB gain typ.]
AT-415, AT-320, AT-310, AT-305 bipolar transistors
INA-30311, INA-32063, INA-51063, MSA-0611 and other MSA and INA gain blocks
provides isolation between transmit and receive paths
[900 MHz]
HSMP-382x, HSMP-3860, HSMP-3890 PIN diodes as switches
MGS-70xxx and MGS-71xxx GaAs MMIC switches
Provides stable carrier for frequency conversion and/or modulator
[varies]
oscillator : AT-415, AT-320, AT-310, AT-305
buffer : AT-415, AT-320, AT-310, AT-305
INA-31063 or other INA, and MSA series gain blocks
synthesizer: HPLL-8001 (CMOS frequency synthesizer)
prescalers: no HP products
phase comparator: no HP products
provides data inputs to modulator, converts output of IF into information
no HP products
| ISM-900 Tx-Power Amplifier |
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amplifies outgoing signal for broadcast, sets to correct power level
[900 MHz, up to 1 W out]
AT-380, AT-31625, AT-33225 transistors
AT-320, AT-420, AT-640 transistors
MGA-83563, MGA-82563, HPMX-3002, MSA-05xx and other MSA, MGA, and INA gain blocks
HSMS-28xx detector diodes for power control
"glue" part that amplifies modulator output sufficiently to drive power chain
[900 MHz, 0 to 10 dBm Pout]
AT-320, AT-420, and AT-415 transistors
INA-34063, MSA-0611, MSA-2111 and other MSA, MGA, and INA gain blocks
combines data with carrier
[BPSK, QPSK, or modulated VCO depending on architecture]
modulated VCO: AT-415, AT-320, AT-310 as VCO
BPSK: HPMX-2006 or any HPMX vector modulator listed for QPSK below
QPSK:
HPMX-2007 (dual conversion)
HPMX-2003 (direct)
HPMX-2006 as upconverter (dual conversion)
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