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ADF (Automatic Direction Finder) systems simulator
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ADF (Automatic Direction Finder) systems simulator



Logo ADF Didactic

Reference ADF-100A



Our simulator enables trainees to gain hands-on experience with ADF (Automatic Direction Finder) systems. It provides realistic practical training using original aircraft ADF equipment, configured to deliver an authentic learning environment that closely reflects real operational conditions.

The simulator’s design allows trainees to develop a thorough understanding of ADF systems and to adopt a structured and methodical approach to testing, fault diagnosis, and troubleshooting procedures. We carefully analyze our customers’ training requirements and tailor our solutions to meet their specific educational objectives.

The training unit is delivered fully assembled and ready for use, including all required components such as antennas, transmitters, receivers, indicators, and complete cabling.



Optional equipment:

  • ADF test set
  • NAV/COM ramp tester

Please contact us for further information regarding available test equipment.



Features

  • Clear understanding of the fundamental principles of the ADF system and its components
  • Hands-on training focused on operation, testing, and troubleshooting of equipment
  • Assembly and wiring compliant with current aviation standards and regulations

Components

  • ADF (Automatic Direction Finder)
  • ADF Indicator
  • ADF Antenna with coaxial connector
  • DC Power Supply Unit
  • Circuit Breaker
  • 20 A Power Supply
  • Current and Voltage Meters
  • Aviation-standard connectors and conduits
  • Assembly and wiring carried out according to current aviation regulations

Technical Specifications

General ADF System Characteristics

  • Frequency range: 200 kHz to 1799 kHz, 1 kHz increments
  • Bearing accuracy: ±3° for RF input signal levels between 70 µV/m and 0.5 V/m
  • Receiver sensitivity: max. 150 µV/m for S+N/N = 6 dB
  • Receiver selectivity:
    • 6 dB bandwidth: ±2 kHz max. off center frequency
    • 80 dB bandwidth: ±7 kHz max. off center frequency
  • Required power: 11–33 V DC, 12 W

Controls and Interface

  • ADF Selector
  • BFO Button
  • FRQ Button
  • FLT/ET Selector
  • SET/RST Selector
  • VOL/Off Control
  • Frequency Display
  • Original installation manual included

Optional Equipment: NAV/COM Ramp Tester

Output Power

  • ADF: −12 ±3 dBm
  • VOR: −10 ±3 dBm
  • ILS Localizer: −10 ±3 dBm
  • ILS Glide Slope: −17 ±3 dBm
  • ILS Marker: −15 ±3 dBm
  • DME: −12 ±3 dBm
  • Transponder (TXPDR): −12 ±3 dBm

Measurement Accuracy

  • VOR Radial Accuracy: ±1°
  • ILS Localizer DDM Accuracy: ±15%
  • ILS Glide Slope DDM Accuracy: ±15%
  • DME Accuracy: ±0.1 NM

Transponder Specifications

  • PRF: 235 ±5 (Modes A/C), 50 ±2 (Mode S)
  • P2 Level: P1 ±0.1 dBm
  • P2 Position: 2 ±0.01 µs relative to P1
  • P3 Position: 8 ±0.01 µs or 21 ±0.02 µs relative to P1
  • Pulse Width: 0.8 ±0.01 µs (P1, P2, P3)
  • Frequencies: 1030 MHz (Tx), 1090 MHz (Rx), ±2.5 ppm
  • Response Rate: 0–100%, displayed with ±0.5% accuracy
  • Response Window: 2.5–3.5 µs (F1 of P3)
  • Pulse Width Reading Resolution: ±50 ns
  • Data Pulse X must be 0 for correct reading
  • SPI Function: Identification message display

Note
Brand, model, and certain technical specifications of avionics equipment may change depending on technological advancements and market availability.

ADF-100A
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