User's Manual

70-STR1700-000 Rev A.1 STR-1700 O&M Manual
2
Existing
ICOM
Radio
Circuitry
External
Interface
Card
(EIC)
Audio
VDC
RF Antenna
Interface
Primary
VDC
Front
Panel
Main
Chassis
Program
Audio
Control
Lines
Program
I/O buffer
circuitry, audio
level
adjustments,
and
status/control
of frequency
selection
ICOM radio, controller,
and power conditioning
logic
PTT
FIGURE 1-2 SYSTEM OVERVIEW
1.3 Technical Specifications
The technical capabilities of the STR-1700 radios are summarized in the
following table.
Item Specification
Frequency Range STR-1710: 136-174 MHz
STR-1720: 440-490 MHz
STR-1730: 440-490 MHz (ETSI Certified)
Number of Channels 8 preset channels
Frequency Stability
±0.0005% of assigned center frequency from -30°C to +60°C (+25°C
reference)
Compliance STR-1730 is ETSI type certified
All other models are FCC type certified (FCC 47 CFR 90) as well as
Industry Canada.
Operating Power
13.6 VDC ± 15% (current @ 13.6 V: transmit 12.5 A, receive 0.7 A)
Operator Adjustments None
Reliability 25,000 hr MBTF
Antenna Connector Mini-UHF female located on rear panel
Audio Interface and DB-25 socket on front panel including 3 channel select lines, audio