Operating instructions

1892 1344 - SX450G Transceiver Operator Guide v1.7 / Nov 2007 23
TECHNICAL SPECIFICATION
General
Frequency range A band within the range 400-490MHz, to order
Switching bandwidth 15 or 20MHz depending on band ordered.
Frequency stability +2.5ppm over operating temperature
Channel switching delay 100ms maximum (over 20MHz switching bandwidth)
Channel programming Table of 256 equally-spaced frequencies with common Rx-
Tx offset, or table of 80 individually-programmed
frequencies and Rx-Tx offsets.
Channel selection 64 channels maximum using 6-bit parallel logic line input.
256 channels maximum using serial RS232 data word.
Serial/parallel selection switchable in real time.
Channel spacing 12.5kHz/20kHz/25kHz available
Modulation type F1D/F2D/F3D
Spurious emissions (conducted & radiated) In accordance with ETSI/CEPT
Supply voltage 5 to 15V DC negative earth
Supply current at 7.2V 30mA typical (receive), 250mA typical for 500mW output
(transmit)
Interface connections 21 pin SIL PCB connection (SX450GC)
1 x 8 + 1 x 12 way 1.27mm pitch Molex right angle plug
with mating connector + 200mm lead (SX450GA)
RF connection PC mounted MMCX socket (200mm RG178 lead supplied).
Operating temperature -25%C to +55%C
Storage temperature -30%C to +70%C
Size overall 85 x 55 x 12.7mm
Weight 70g
Type approvals ETS300 220, ETS300 339 (EMC), ETS300 086, UK
MPT1329