Campbell-scientific RF300-Series DRL VHF/UHF Radio Transceivers Manual de usuario descargar pdf (Pagina 54)

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 µA max

Receive Enable

3-16 DC ± 5% at 400 µA nominal (400 µA during receive)

Transceiver Enable

3-16V DC at less than 4000 µA

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

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Campbell-scientific RF300-Series DRL VHF/UHF Radio Transceivers Manual de usuario Pagina 54

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