Operating instructions

RF Technology R70/R71 and R150 Page 3
CONTENTS CONTENTS
7 Specifications 17
7.1 General Description 17
7.1.1 Channel Capacity 17
7.1.2 CTCSS 17
7.1.3 Channel Programming 17
7.1.4 Channel Selection 18
7.1.5 Micropressor 18
7.2 Physical Configuration 18
7.3 Front Panel Controls, Indicators and Test Points 18
7.3.1 Controls 18
7.3.2 Indicators 18
7.3.3 Test Points 19
7.4 Electrical Specifications 19
7.4.1 Power Requirements 19
7.4.2 Frequency Range and Channel Spacing 19
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 20
7.4.7 Sensitivity 20
7.4.8 Selectivity 20
7.4.9 Spurious and Image Rejection 20
7.4.10 Inter-modulation 20
7.4.11 Modulation Acceptance BW 20
7.4.12 Noise Squelch 20
7.4.13 Carrier Level Squelch 21
7.4.14 Receiver Frequency Spread 21
7.4.15 Receiver Conducted Spurious Emissions 21
7.4.16 Audio Frequency Response 21
7.4.17 Audio Output Level 21
7.4.18 Audio Distortion 21
7.4.19 Channel Select Input/Output 22
7.4.20 Carrier Operated Switch Output 22
7.4.21 CTCSS 22
7.4.22 External Squelch Input 24
7.5 Connectors 24
7.5.1 Antenna Connector 24
7.5.2 Power and I/O Connector 24
7.5.3 Test Connector 24
B Parts List 27