specification
amplifier

technical details

SPert1200 CYCLONE

The transistor amplifier "SPert1200CYCLONE" is linear amplifier designed for work in amateur radio-communication systems, on all KF bands, with all emitters, in range from 1,5 to 30 MHz and 50 MHz. It uses highly efficient and silent cooling using heat pipes (copper tubes containing liquid with very low evaporation temperature inside), very efficiently transferring heat to aluminum heat sinks, blown by two 120×120 mm fans.

About this amplifier

The transistor amplifier "SPert1200CYCLONE" is linear amplifier designed for work in amateur radio-communication systems, on all KF bands, with all emitters, in range from 1,5 to 30 MHz and 50 MHz. It uses highly efficient and silent cooling using heat pipes (copper tubes containing liquid with very low evaporation temperature inside), very efficiently transferring heat to aluminum heat sinks, blown by two 120×120 mm fans.
They are made in a compact metal housing, containing such basic modules as:

  • Power amplifier board on one transistor LDMOS BLF189XR 1700W.
  • A board of seven seven-element low-pass filters.
  • Incident and reflected power measurement circuits with protection system against mismatch or missing antenna connection. An additional measuring circuit before the LPF filters prevents transistor damage due to possible filter damage.
    A circuit for decoding bands from a TRX:
    • in BCD code (Yaesu, Elecraft and others)
    • voltage for ICOM
    • voltage for FT-817
    • CAT decoder for Kenwood
    • OTRSP protocol,
    • manual band switching.
  • Ventilation system with PWM controller in four user-selectable modes:
    • 50% on transmit, on receive depending on temperature
    • maximum on transmit, on receive depending on temperature
    • Hysteresis - transmission and reception speed depending on the temperature. The rotation speed rises linearly from 40 degrees C, when cooling down it keeps the maximum value it reached until cooling down to 40 degrees C.
    • Constant maximum speed - both receiving and transmitting
  • Microprocessor-based amplifier controller with color LED display and rotary encoder for setting all amplifier parameters.
  • USB connection for control and parameter monitoring via PC.
  • Commutation system.
  • A 53.5V 56A switching power supply inside the amplifier.

 

Technical data:

Power supply: mains 230V
Efficiency: 73-75%
Frequency range: 1.8 to 50 MHz
Band switching: automatic
Automatic Antenna Tuner: Optional
Cooling: air-cooled with heat removal from the transistor via heat pipes
Control power: 20W or 4W
Max antenna SWR: 1:2 or more for less power (operation with ATU off)
Transistor used: 1x LDMOS BLF188XR
Power consumption at rest: 15W
Max. mains power consumption: 1.8 kW
Dimensions: 385x340x160
Weight: 9 kg

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