Synthesised Radio Modules
CIRCUIT CONNECTIONS
TX8000/RX8000
Note: On the standard RX8000, pins 4 & 5 are not present. Therefore the pins are numbered 1 to 7
RF FREQUENCY
An example of how the RF Frequency is set using the Programming Pins is shown below. The frequency band can
be factory set in the range 400.00MHz to 490.00MHz and 860.00MHz to 930.00MHz at 12.5KHz or 25KHz
spacing in bands of 1.3MHz.
Hex
Ch
00H
02H
04H
06H
08H
0AH
0CH
0EH
10H
12H
14H
16H
18H
1AH
1CH
1EH
RF Freq
MHz
458.500
458.525
458.550
458.575
458.600
458.625
458.650
458.675
458.700
458.725
458.750
458.775
458.800
458.825
458.850
458.875
PIN 1
LOW
HIGH
LOW
HIGH
LOW
HIGH
LOW
HIGH
LOW
HIGH
LOW
HIGH
LOW
HIGH
LOW
HIGH
PIN 2
LOW
LOW
HIGH
HIGH
LOW
LOW
HIGH
HIGH
LOW
LOW
HIGH
HIGH
LOW
LOW
HIGH
HIGH
PIN 3
LOW
LOW
LOW
LOW
HIGH
HIGH
HIGH
HIGH
LOW
LOW
LOW
LOW
HIGH
HIGH
HIGH
HIGH
PIN 4
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
PIN 5
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
Hex
Ch
20H
22H
24H
26H
28H
2AH
2CH
2EH
30H
32H
34H
36H
38H
3AH
3CH
3EH
RF Freq
MHz
458.900
458.925
458.950
458.975
459.000
459.025
458.050
458.075
458.100
458.125
458.150
458.175
458.200
458.225
458.250
458.275
PIN 1
LOW
HIGH
LOW
HIGH
LOW
HIGH
LOW
HIGH
LOW
HIGH
LOW
HIGH
LOW
HIGH
LOW
HIGH
PIN 2 PIN 3
LOW
LOW
HIGH
HIGH
LOW
LOW
HIGH
HIGH
LOW
LOW
HIGH
HIGH
LOW
LOW
HIGH
HIGH
LOW
LOW
LOW
LOW
HIGH
HIGH
HIGH
HIGH
LOW
LOW
LOW
LOW
HIGH
HIGH
HIGH
HIGH
PIN 4
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
PIN 5
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
Note: Each Country has different rules and regulations on the use of RF Spectrum.
R. F. Solutions Ltd.,
Information contained in this document is believed to be accurate, however no representation or warranty is given and RF Solutions Ltd. assumes no liability with respect to the accuracy of
such information. Use of RF Solutions’ products as critical components in life support systems is not authorised except with express written approval from RF Solutions Ltd.
Unit 21, Cliffe Industrial Estate,
Lewes, E Sussex, BN8 6JL, England
Fax +44 (0)1273 480 661
Tel +44 (0)1273 898 000
http://www.rfsolutions.co.uk
Email sales@rfsolutions.co.uk
R F Solutions is a member of the Low Power Radio Association.
DS8000-1
Dec 02
©2002
REG No 277 4001, England.
Page 4
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