Operating Instructions

Wood and Douglas Ltd, Lattice House,
Baughurst Road, Tadley, Hampshire RG26 5LP 1892 1273
Tel: [phone]. Fax: [phone]/November2000
TECHNICAL SPECIFICATION
Frequency range : 580 - 625 MHz
Switching bandwidth : 8 MHz
Frequency stability : +/-2.5ppm
Number of RF channels : up to 128 (16 randomly programable, 112
sequential), serial select/reprogram, 1200 baud
RS232 or
1 of 8 parallel select
RF output power into 50 ohm : 25mW adjustable to 1mW
: 1 - 10 mW version available
Adjacent channel power : <200nW (-37dBm)
TX switching time : <60 mS
Modulation input
analogue : 200 mV to 5V p-p AC coupled
digital : +3 to 12V square wave DC coupled
Frequency response : 9Hz to 3kHz at -3dB
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 : 25kHz
Modulation type : F3D
Spurious emissions
(conducted & radiated) : in accordance with ETS/CEPT specifications
Supply voltage : 6 - 12V DC -ve earth
Supply current at 7.2V : <60mA for 25mW output
Interface connections : 2 and 10 pin 0.1" header
RF connection : 3 pin 0.1" header
Operating temperature : -30
o
C to +55
o
C
Storage temperature : -30
o
C to +70
o
C
Size overall : 60 x 39 x 15 mm (2.36 x 1.53 x 0.59 inches)
Weight : 30gm
Type approval : designed to meet ETS 300/220
General facilities : +5V output
: analogue and digital inputs
: