Operating instructions

RF Technology R350/R500 Page 3
CONTENTS CONTENTS
7 Specifications 16
7.1 General Description 16
7.1.1 Channel Capacity 16
7.1.2 CTCSS 16
7.1.3 Channel Programming 17
7.1.4 Channel Selection 17
7.1.5 Microprocessor 17
7.2 Physical Configuration 17
7.3 Front Panel Controls, Indicators and Test Points 17
7.3.1 Controls 17
7.3.2 Indicators 18
7.3.3 Test Points 18
7.4 Electrical Specifications 18
7.4.1 Power Requirements 18
7.4.2 Frequency Range and channel Spacing 18
7.4.3 Frequency Synthesizer Step Size 19
7.4.4 Frequency Stability 19
7.4.5 Nominal Antenna Impedance 19
7.4.6 IF Frequencies 19
7.4.7 Sensitivity 19
7.4.8 Selectivity 19
7.4.9 Spurious and Image Rejection 19
7.4.10 Intermodulation 19
7.4.11 Modulation Acceptance BW 20
7.4.12 Noise Squelch 20
7.4.13 Carrier Level Squelch 20
7.4.14 Receiver Frequency Spread for -1dB Degradation 20
7.4.15 Receiver Conducted Spurious Emissions 20
7.4.16 Audio Frequency Response 20
7.4.17 Audio Output Level 20
7.4.18 Audio Distortion 21
7.4.19 Channel Select Input / Output 21
7.4.20 Carrier Operated Switch Output 21
7.4.21 CTCSS 21
7.4.22 External Squelch Input 23
7.5 Connectors 23
7.5.1 Antenna Connector 23
7.5.2 Power and I/O Connector 23
7.5.3 Test Connector 23
A Engineering Diagrams 23
A.1 Block Diagram 23
A.2 Component Overlay Diagram 23
A.3 Jumper Link Positions 23
A.4 Jumper Link Description 23
B Parts List 27