VXR-9000 UHF Service Manual
Specifications
A-1
General
Frequency Range: A : 400 - 430 MHz, D : 450 - 490 MHz
Number of channel:32
Channel Spacing: 12.5 kHz/25 kHz*
* 25 kHz will not be available on new equipment in the U.S.A after 1/1/2013
Operating Voltage: 13.6 V DC ±10 %
Current Drain: 12 A Maximum
Duty Cycle: 100 % (@25 W output)
Frequency Stability: 1.5 ppm
1.0 ppm (30min after wake up)
Operating Temperature Range: –22 °F to +140 °F (–30 °C to +60 °C)
Dimensions (W x H x D): 19 x 3-1/2 x 13-1/2 inch (483 x 88 x 343 mm)
Weight (Approx.): 21.4 lbs. (9.7 kg)
Receiver
Antenna Impedance: 50 ohm
Antenna Connector: Type-BNC
Receiver Type: Double-Conversion Superheterodyne
Sensitivity: 0.3 μV (12dB SINAD), 0.45 μV (20dB Noise Quieting)
Adjacent Channel Selectivity: 80 dB (Wide), 75 dB (Narrow)
Intermodulation: 82 dB (Wide), 78 dB (Narrow)
Image Rejection: 90 dB
Squelch Threshold: –5 dBμ
Audio Output: 4 W @4 ohm
Audio Distortion: < 3 %
Hum and Noise: > 50 dB (Wide), > 45 dB (Narrow)
Audio Frequency Response: De-emphasis : 6 dB/oct (From 300 Hz to 3 kHz)
Conducted Spurious: < –80 dBm
Transmitter
RF Output Power: 50/25/10 W (High/Mid/Low)
Antenna Impedance: 50 ohm
Antenna Connector: Type-N
Modulation Type: 16K0F3E/11K0F3E
System Deviation: ±5.0 kHz (Wide), ±2.5 kHz (Narrow)
Hum and Noise: >46 dB (Wide), >43 dB (Narrow)
Microphone Sensitivity:5 mV
Audio Frequency Response: Pre-emphasis : 6dB/oct (From 300 Hz to 3 kHz)
Spurious Emission: 70 dB below carrier
Audio Distortion: <2.5 % @1 kHz
Microphone Impedance: 600 ohm
100 W PA Unit (Option)
Frequency Range: 450 - 490 MHz
Antenna Impedance: 50 ohm
Antenna Connector: Type-N
RF Output Power: 100/75/50 W (High/Mid/Low)
Duty Cycle: 100 % (@Cooling Fan “ON”)
Spurious Emission: 75 dB below carrier
Operating Voltage: 13.6 V DC ±10 %
Current Drain: 30 A Maximum
Operating Temperature Range: –22 °F to +140 °F (–30 °C to +60 °C)
Specifications subject to change without notice or obligation.
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