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Plessey PTR-1751 Airborne UHF/AM Transceiver
Plessey PTR-1751 Airborne UHF/AM Transceiver
The PTR1751 is lightweight UHF military airborne transceiver designed to provide air-to-air and air-to-ground communications under severe electrical and environmental conditions. Used by RAF, British Army and Royal Navy, it is suitable for use in all types of helicopter and fixed-wind aircraft, and is intended primarily for air traffic control, but this role can be extended with optional extras to include homing and continuous AM reception on the international distress frequency of 243 MHz. The PTR1751 operates over the 225 to 399.975 MHz frequency range and provides 7000 channels at 25 kHz intervals throughout the range. The channel spacing is 50 kHz with 25 kHz spacing available as an option. The power output is 10 or 20 W minimum, under all conditions of operation. Part Number: 630/1/37851/119, Nato Number: 5821-99-778-7570. Weight 8Kg.
The remote control unit is capable of manual frequency selection plus 30 pre-set channels including the guard channel. The control unit incorporates a BITE facility to check output power, modulation depth and receiver sensitivity. Part Number: PV1754X, 630/1/37854/019, Nato Number: 5821-99-564393
TECHNICAL SPECIFICATIONFrequency Range: 225-399.975 MHz
Number of Channels: 7000
Channel Spacing: 50 kHz, 25 kHz optional
Power Output: 20 W minimum into 50 ohms
Power Input, Transmit: 28 V DC @ 3.7 Amp.
Temperature Range: -55 to +71C
The PTR1751 is lightweight UHF military airborne transceiver designed to provide air-to-air and air-to-ground communications under severe electrical and environmental conditions. Used by RAF, British Army and Royal Navy, it is suitable for use in all types of helicopter and fixed-wind aircraft, and is intended primarily for air traffic control, but this role can be extended with optional extras to include homing and continuous AM reception on the international distress frequency of 243 MHz. The PTR1751 operates over the 225 to 399.975 MHz frequency range and provides 7000 channels at 25 kHz intervals throughout the range. The channel spacing is 50 kHz with 25 kHz spacing available as an option. The power output is 10 or 20 W minimum, under all conditions of operation. Part Number: 630/1/37851/119, Nato Number: 5821-99-778-7570. Weight 8Kg.
The remote control unit is capable of manual frequency selection plus 30 pre-set channels including the guard channel. The control unit incorporates a BITE facility to check output power, modulation depth and receiver sensitivity. Part Number: PV1754X, 630/1/37854/019, Nato Number: 5821-99-564393
TECHNICAL SPECIFICATIONFrequency Range: 225-399.975 MHz
Number of Channels: 7000
Channel Spacing: 50 kHz, 25 kHz optional
Power Output: 20 W minimum into 50 ohms
Power Input, Transmit: 28 V DC @ 3.7 Amp.
Temperature Range: -55 to +71C