Specifications
FIGURES
Page
Figure 1 - Front Panel Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 2 - Rear Panel Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 3 - DB15 Connector Pin Positions - Rear Panel View . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 5 - Microphone Matching Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 4 - Equipment Set-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 6 - Test Probe A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 7 - Troubleshooting: Receiver Completely Dead . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Figure 8 - Troubleshooting: Noise Present But No Signal Received . . . . . . . . . . . . . . . . . . . . . . 27
Figure 9 - Troubleshooting: No Transmit Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 10 - Troubleshooting: Receive Synthesizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 11 - Troubleshooting: Transmit Synthesizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 12 - Duplexer Test Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 13 - Duplexer Connections and Tuning Adjustements . . . . . . . . . . . . . . . . . . . . . . . . . 35
SPECIFICATIONS
(Subject to change without notice)
General
Regulatory Approval
FCC ARUDERU25B
DOC 491 195 162A
Frequency Range/Model 450-470 MHz
Number of Channels 1
Operating Temperature -30°C to +60°C
Frequency Stability ± 2.5 PPM, -30°C to +60°C
Antenna Impedance (RX and TX) 50 Ohms
Speaker – Internal 8 Ohm, 2 Watts
– External 3.2 Ohm, 5 Watts
Supply Voltage 120 VAC, 50/60 Hz; 105 Watts (@ 25W TX)
240 VAC, 50/60 Hz; 105 Watts (@ 25W TX)
AC Line Protection 4A Fuse, fast blow type
Connectors – Antenna Type N, female (jack)
– Microphone Modular, 6-pin
– Multifunction Port DB15, female
– External Speaker 3.5mm jack
Size (H x W x D) 5.625" x 13.187" x 15.750"
Weight 13 lbs., 12 oz.
Receiver
Sensitivity – 12 dB SINAD 0.3 µV Max.
Threshold Squelch 8 dB SINAD Max.
Selectivity – 25 kHz 75 dB Min.
– 50 kHz 80 dB Min.
Intermodulation 75 dB Min.
Spurious Response 85 dB Min. (w/o duplexer)
Continued
AE/LZB 119 1882 R1B
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