DANIELS
ELECTRONICS LTD.
TM
VHF Enhanced Extra Wideband Receiver Instruction Manual IM10-VR3H040-AB
1-3
1.4
Performance Specifications
1.4.1
General
Type:
MT-3 Series Synthesized Receiver.
Family:
VR-3H040 Converted for 50 kHz Channel spacing
Compatibility:
MT-3 Series Radio Systems
Frequency Range:
29 to 38 MHz or 38 to 50 MHz.
System Impedance:
50
Ω
(Type N connector).
Frequency Generation:
Synthesizer Module (Internal).
Channel Spacing:
Converted to 50 kHz
System Deviation:
± 15 kHz
Channel Selection:
In 5.0 or 6.25 kHz increments selected through four
internal BCD rotary switches.
Number of Channels:
Preset capability for 16 channel memory selectable through
four external logic control lines.
Channel Switching Range:
±1 MHz. (38 - 50 MHz, No tuning adjustment)
±0.5 MHz. (29 - 38 MHz, No tuning adjustment)
Reference Sensitivity:
-114 dBm (typically -116 dBm) for 12 dB SINAD.
Local Oscillator Frequency Stability:
±5 ppm; -30°C to +60°C. Provision for external 10.0 MHz
reference input.
First IF
21.4 MHz, 8 pole crystal filter.
Second IF
455 kHz
Adjacent Channel Selectivity:
90 dB; 50 kHz channel.
Conducted Sp Harmonics:
95 dB
Intermodulation Rejection:
75 dB (typical 80 dB); as per TIA/EIA 603
Hum and Noise:
60 dB; 20 kHz LPF
