Operating instructions

RF Technology R70/R71 and R150 Page 19
7.3.3 Test Points 7 SPECIFICATIONS
7.3.3 Test Points (DB9 Connector)
Line Output Level Pin 6 + Gnd (pin 1)
Receive Signal Strength Pin 7 + Gnd (pin 1)
Tuning Voltage Pin 9 + Gnd (pin 1)
Serial Data (RS232) Pins 2/3 + Gnd (pin 1)
7.4 Electrical Specifications
7.4.1 Power Requirements
Operating Voltage - 10.5 to 16 Vdc
Current Drain - 250mA Max.
Polarity - Negative Ground
7.4.2 Frequency Range and Channel Spacing
Frequency 25 KHz 12.5 KHz
66 - 84 MHz R70A/R71A R70AN/R71AN
70 - 88 MHz R70A/R71A R70AN/R71AN
136 - 156 MHz R150A R150AN
148 - 168 MHz R150B R150BN
154 - 174 MHz R150B R150BN
7.4.3 Frequency Synthesizer Step Size
5.0 or 6.25 KHz
7.4.4 Frequency Stability
+/- 5 ppm, 0 to +60 C, Standard for 25 KHz
+/- 1 ppm, 0 to +60 C, Standard for 12.5 KHz, Optional for 25 KHz
7.4.5 Nominal Antenna Impedance
50Ω