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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