Codan Radio Communications VT-3A130-F 사용자 설명서

Overall Transmitter Specifications 

Parameter Specification 

Reference 

Operating Temperature Range 

-30°C to +60°C 
Optional -40°C to +60°C 
Optional -50°C to +40°C 

 

Type MT-3 

Series 

Transmitter 

 

Family VT-3A130 

 

Frequency Range 

118 - 137 MHz 

 

System Impedance 

50 ΩType N 

 

RF Power Output 

1.0 – 3.0 Watts adjustable (carrier only) 

RTCA DO-186A 
Paragraph 2.3.1 

Emission of Radio Freq. Energy 

More than 50 dB below carrier 

RTCA DO-186A 
Paragraph 2.3.7(b) 

Carrier Noise Level 

More than 45 dB below carrier 

RTCA DO-186A 
Paragraph 2.3.6 

Duty Cycle 

100%; Continuous operation from -30°C to +60°C 
Optional -40°C or -60°C 

 

Channel Spacing 

25 KHz 

 

Emission Identifier 

6K00A3E and 5K6A3E Amplitude Modulation 

 

Operating Humidity 

95% Relative Humidity (Non-condensing) at +25°C 

 

Operating Voltage 

+13.8 VDC Nominal +9.5 VDC regulated 

 

Active Current 

+13.8 VDC supply < 2A @ 25°C, at 3 Watts RF output 
<2.5A -40˚C to +60˚C 

 

Channel Selection 

In 25 kHz increments selected by four BCD switches. 
Preset capability for 16 channels selectable through 
external control. 

 

Frequency Stability  

Standard: ±1 ppm -40°C to +60°C 
± 2 ppm, -50°C to -40°C  

RTCA DO-186A 
Paragraph 2.3.11 

FCC Type Approval 

H4JVT-3A130-F 

 

Industry Canada Certification 

142A-VT3A130F 

 

PTT Time-Out-Timer 

Selectable 1 seconds to 8 hours.(factory set 5 min) 

 

Standby Current (9.5 VDC)  
and Rise time 

Refer to Transmitter Standby Modes in Theory of 
Operation