Digital Tone-Based Flight Termination Receiver/Decoder
The HFTR60-3 is the next generation programmable, digital Flight Termination Receiver (FTR) that uses advanced Digital Signal Processing (DSP) techniques to process standard IRIG tones. The HFTR60-3 is functionally compliant and qualified to RCC319-14 and is a form, fit and function replacement for legacy Flight Termination System (FTS) configurations using tone-based flight termination receivers.
The HFTR60-3 is a compact unit, capable of handling the harshest environments and is qualified to meet military operational environments and EMI. The HFTR60-3 employs the latest technologies and manufacturing processes to provide a high performance, highly reliable, stable, and long-life product.
Electrical
- Frequency Range: 420 to 450 MHz (factory preset to customer specified frequency)
- Impedance: 50 ohms nominal
- VSWR: Less than 2:1
- Reverse Polarity Protection: Built-in
- DC Input Voltage: +22 to +36 Vdc, ±45Vdc over voltage protected
- Unit Power: 4.5 W max.
- Low Voltage Sense: isolated input
- Telemetry Outputs: signal strength, 3 or 4 tone monitors failsafe, ±45 Vdc over voltage protected
- Command Outputs: 4 solid-state outputs
- Command Outputs, Voltage Drop Under Load: Terminate, ARM, MONITOR, OPTIONAL:2 Vdc maximum at 1 amp, 3.5Vdc maximum at 2 amps, TERMINATE: 4Vdc maximum at 7.5 amps, 100 msec
- Output Leakage Current: 50 microamps maximum
- Isolated Returns: Signal strength output isolated from DC return and chassis ground
- RFI/EMI: Meets MIL-STD-461F, tests; CE102, CE106, CS101, CS103, CS104, CS105, CS114, CS115, CS116, RE102 and RS103
Physical
- Size: 3.3 X 2.2 X .5 inches (8.4 X 5.6 X 1.3 cm), less connectors
- Weight: 5 ounces maximum
- Antenna Connector (J1): RF input SMA - Female
- Power and Signal Connector (J2): 25-pin micro-D socket M83513/04-D05N
Environmental*
- Random Vibration (ATP): 0.04 g2/Hz (6.1 grms)
- Random Vibration (Qual): 29.7 grms
- Temperature, Operating (ATP): 40°C TO +71°C standard
- Temperature, Operating (Qual): 54°C TO +85°C
- Temperature, Storage (Qual): 62°C TO +95°C
- Shock (Qual): 1300g SRS
- Altitude (Qual): 15,000 ft
- Humidity (Qual): 95%
- Acceleration (Qual): Up to 125 g’S
* As of this date
Features
- RCC 319-14 Functionally Compliant
- Programmable frequency 420-450 MHz
- Programmable 3 or 4 tone channels
- Capable of storing up to 32 factory or field programmed configurations
- All solid-state design
- High sensitivity receiver
- Small, less than 3.7 cubic inches
- Lightweight, less than 5 ounces
- No RF/IF tuning elements
- Reverse polarity power protection
- Telemetry output protection
- Designed for extreme environments
- Operating temperature to -54° and +85°
Options
- 406 to 420 MHz band
- No failsafe, Standard failsafe, Commanded failsafe
- Common returns: Signal strength and DC returns
- All returns connected to chassis
- Nominal IF Bandwidth Audio output: 7 kHz to 32 kHz, 155mV to 310mV RMS
- Extended audio bandwidth available to 45 kHz
- J2 Pin 11 Low Voltage Telemetry Output (LVTM)
- Supports constant current terminate output
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