Collins T-47 / ART-13 WWII Shortwave Transmitter

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The Collins T-47 / ART-13 is a 100 watt carrier output, AM-CW-MCW transmitter that was generally used in USN and USAAF/USAF aircraft. Frequency range is from 2 to 18 MHz, but a special plug-in Low Frequency Oscillator (LFO) allowed operation between 200 and 600 or 1500 kHz, in CW only.

The T-47/ART-13 featured an advanced Autotune system that would automatically tune up to 11 preset channels (10 channels plus one LF channel) selectable by a front panel switch. The Autotune system would tune the transmitter frequency and output network to mechanical presets that then would match a properly selected antenna. The Autotune cycle took about 25 seconds to complete.

Power requirements were supplied by a dynamotor that ran on the aircraft +28vdc battery/charger system. The aircraft battery buss supplied the +28vdc@10Amps necessary for the transmitter's tube filaments and relay operation while the dynamotor provided a dual output of +400vdc and +750vdc.

Frequency range

RX-range
-
TX-range
2-18 MHz
200-600 / 1500 kHz optional
HAM bands
-
Stability
-
Tuning steps
-
Filters
-

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Receiver

Modulations
-
Sensitivity
-
Selectivity
-
Receiver system
-
IF-frequencies
-
Image rejection
-
Audio output
-

Transmitter

Modulations
AM   CW  
RF-Output
100 W carrier

Connections

Antenna
Clamps / screws
Impedance
50Ω

Electrical

Power requirements
Dynamotor from 28 V DC
Current drain RX
-
TX
10 A

Physical

Dimensions (w×h×d)
-
Weight
-
Form factor
Base Station
Manufactured
Between 1943 and 194x in USA

Other features

Memories
11 channels in 1 bank(s)
Usage
Military communication
Features + options
-
Accessories
-

Manuals, diagrams and brochures

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