Operating instructions

1892 1210 - ST500 Transmitter Operating Instructions- v2.12 / May 2007 15
TECHNICAL SPECIFICATION
Frequency range : Switching bandwidth between 400 to 540MHz to
order
Switching bandwidth : 5MHz
Frequency stability : +2ppm
Number of RF channels : up to 128, frequencies programmable within
switching bandwidth (16 individually, 112 sequential
table) using supplied software
RF channel selection: : 1 of 128 serial select (1200 baud RS232)
1 of 8 3-wire parallel select
RF output power into 50O : 100mW adjustable to 5mW
: 1 - 10mW version available
Adjacent channel power : <200nW (-37dBm)
TX switching time : <60ms
Modulation input
analogue : 200mV to 5V p-p AC coupled
digital : +3 to 12V square wave DC coupled
Frequency response : 20Hz to 3kHz at -3dB. (GMSK version available)
Deviation
25kHz channel spacing : +3kHz nom (+5kHz max)
20kHz channel spacing : +2.3kHz nom (+4kHz max)
12.5kHz channel spacing : +1.5kHz nom (+2.5kHz max)
Channel switching delay : <50ms across switching bandwidth
Channel spacing : 12.5kHz/20kHz/25kHz available
Modulation type : F1D/F2D/F3D
Spurious emissions
(conducted & radiated) : in accordance with R&TTE directive
Supply voltage : 6 - 15V DC negative earth
Supply current at 7.2V : <100mA for 100mW output
Interface connections : 0.1" header
RF connection : 3 pin 0.1" header
Operating temperature : -20%C to +55%C
Storage temperature : -30%C to +70%C
Size overall : 60 x 39 x 15 mm (2.36 x 1.53 x 0.59 inches)
Weight : 35g
Type approval : designed to meet ETS 300/220 and MPT 1329
General facilities : +5V output
: analogue and digital inputs
: direct TT500 replacement