Campbell-scientific RF300-Series DRL VHF/UHF Radio Transceivers Uživatelský manuál stáhnout pdf (Strana 53)

H-1

APPENDIX H. RF300 RADIO SPECIFICATIONS

TABLE H-1. RF300 Radio Specifications - UHF

GENERAL

Frequency Range 403 - 512 MHz

Frequency Control Synthesized

Channel Spacing 12.5/25 kHz

Mode of Operation Simplex of Half Duplex

Operation Voltage +13.3V DC nominal (10 -16V DC operational)

Regulated Supply Voltages +5.5V DC, +9.6V DC

Transmit Enable

3-16V DC at 100 µA Max

Receive Enable

3-16 DC ± 5% at 150 µA nominal (150 µA During receive)

Transceiver Enable

3-16V DC at less than 150 µA

Power and Data Connector 15-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

DM3412 Customer must apply

DL3412 Part 90, Part 15(403-512 MHz), Industry Canada RSS119, Issue 5

RECEIVER

Bandwidth 16 MHz all bands except (20 MHz 308-405/450-470 MHz)

Frequency Stability

±1.5 PPM (-30° C to +60°C)

Sensitivity - 12 dB SINAD

≤ 0.35 µV

RF Input Impedance 50 ohms

Selectivity -70 dB/-60 dB (tN/t/E) for 25 kHz, 60 dB/50db (tN/t/E) for 12.5 kHz

Spurious and Image Rejection -70 dB

Conducted Spurious Emissions <-57dBm

Intermodulation -70 dB

FM Hum and Noise -40 dB 12.5/25 kHz

Receive Attack Time < 5 ms

Total Receive On Time 7 mS Maximum

Audio

Distortion <3%

Buffered Output Level 150 mV RMS nominal at 2.5V DC bias

Discriminator Output

±1 dB from DC to 5 kHz (reference to 1 kHz)

Output Bias

2.5V DC ±10%

Output impedance >10k Ohms

RSSI 0.9V to 2.4V DC output from -120 to -60 dBm, attack time < 2 ms

1 2 ... 48 49 50 51 52 53 54 55 56 57 58 ... 63 64

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Campbell-scientific RF300-Series DRL VHF/UHF Radio Transceivers Uživatelský manuál Strana 53

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