User Manual

Page 20 RF Technology R220
7.3.3 Test Points
7 SPECIFICATIONS
7.3.3 Test Points
Line Output Level - 1 + Gnd
Receive Signal Strength - 1 + Gnd
Tuning Voltage - 1 + Gnd
Serial Data (RS232) - 2 + Gnd
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
215 – 240 MHz 12.5KHz
7.4.3 Frequency Synthesizer Step Size
5.0 or 6.25 KHz
7.4.4 Frequency Stability
+/- 1 ppm, 0 to +60 C
7.4.5 Nominal Antenna Impedance
50
Ω