Campbell Scientific RF300-Series DRL VHF/UHF Radio Transceivers User Manual
Page 54
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APPENDIX H. RF300 RADIO SPECIFICATIONS
H-2
TRANSMITTER
Frequency Stability
±
1.5 PPM (-30
°
C to +60
°
C)
Bandwidth
16 MHz without Tuning, 20 MHz without tuning 380-403 & 450-470
MHz bands
Maximum System Deviation
5 kHz (25 kHz), 2.5 kHz (12.5 kHz)
Modulation
FM/DC coupled
Input Bias
2.5V DC
±
1% temperature compensated to
±
100 mV. Supplied in
Tx/Rx
Input Impedance
>40k
Distortion
<3% at 60% of maximum system deviation, 1 kHz tone
Capability
1.8v P-P
±
2dB produces
±
5 kHz deviation with a 1 kHz tone
Flatness
±
2 dB, DC-5 kHz at 1 kHz (Programmable to
±
0.5 dB with
diagnostic DAC
RF Power Output
1-5W
±
20% adjustable (5W at 13.3 V nominal
Deviation Symmetry
5%
RF Output Impedance
50 ohms
Duty Cycle
50% (30 sec. Max transmit)
Adjacent Channel Power
-70 dB
Intermodulation Attenuation
-40 dB
Spurious and Harmonic FM
-26 dBm max.
FM Hum and Noise
045 dB 25 kHz, -40 dB 12.5 kHz
TABLE H-2. RF300 Radio Specifications - VHF
GENERAL
Frequency Range
132-150 MHz/150 - 174 MHz
Frequency Control
Synthesized
Channel Spacing
15/30 kHz
Mode of Operation
Simplex of Half Duplex
Operation Voltage
+13.3V DC nominal (10 -16V DC operational)
Regulated Supply Voltages
+5V DC
±
5%
Transmit Enable
3-16V DC at 400
µ
A max
Receive Enable
3-16 DC
±
5% at 400
µ
A nominal (400
µ
A during receive)
Transceiver Enable
3-16V DC at less than 4000
µ
A
Power and Data Connector
14-pin in-line Socket (Dupont 76308-14)
RF Input/Output Connector
SMA Jack (female)
Operating Temperature
-30
°
C to +60
°
C
Storage Temperature
-40
°
C to + 85
°
C
Humidity
95% maximum RH at 40
°
C, non-condensing
Maximum Dimensions
4.585” L, 3.25” W, 2.212” H
FCC Compliance
Part 90, Part 15
DM3412
Customer must apply