|
APCO Project 25
U.S. Public Safety Radio / SMR
|
Agilent Technologies supplies:
solid state RF components for the radio
| APCO Project 25 Rx-LNA |
top |
Detects and amplifiers incoming signal
AT-415, AT-320, AT-310, AT-305, HBFP-0420, HBFP-0405, ATF-34143
INA-12063, INA-51063, and other MSA, MGA and INA gain blocks
| APCO Project 25 Rx-Down Converter |
top |
Converts output of LNA to IF frequency
AT-415, AT-3, HBFP transistors as active mixer
IAM-91563, IAM-81008, IAM-82008 IC mixers
HSMS-820x Schottky diodes
| APCO Project 25 Rx-IF |
top |
Low frequency amplification
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
| APCO Project 25 T/R Switch |
top |
provides isolation between transmit and receive paths
HSMP-382x, HSMP-3860, HSMP-3890 PIN diodes as switches
Provides stable carrier for frequency conversion and/or modulator
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
prescalers: no Agilent Technologies products
phase comparator: no Agilent Technologies products
| APCO Project 25 Baseband |
top |
provides data inputs to modulator, converts output of IF into information
no Agilent Technologies products
| APCO Project 25 Tx-Power Amplifier |
top |
amplifies outgoing signal for broadcast, sets to correct power level
AT-380, AT-31625, AT-33225 transistors
AT-320, AT-420, ATF-34143 transistors
MGA-83563, MGA-82563, HPMX-3002, MSA-05xx and other MSA, MGA, and INA gain blocks
HSMS-28xx detector diodes for power control
| APCO Project 25 Tx-Driver |
top |
"glue" part that amplifies modulator output sufficiently to drive power chain
AT-320, AT-420, and AT-415, ATF-34143 transistors
INA-34063, MSA-0611, MSA-2111 and other MSA, MGA, and INA gain blocks
| APCO Project 25 Tx-Modulator |
top |
combines data with carrier
[C4FM or CQPSK]
modulated VCO: AT-415, AT-320, AT-310 as VCO
QPSK: HPMX-2007, HPMX-2003
| 
