RFIU

01000516-10
Source/Conditioner Module

  • 256 KHz, 10 MHz, 40.96 MHz, 70 MHz, 140 MHz outputs
  • FSK Demodulator

03000003-01
Output Switch Module

  • Routes various signal generation signals to the RF interface for use in connecting these signals to a radio receiver, a GPS receiver, etc.
  • Contains some of the common signal generation signals for testing the ATCRBS instrument, and is also used as the output function for wraparound testing of the communication/navigation instrumentation
  • An upconversion process is provided to extend the frequency range of the embedded equipment

93000221-10
RF Measurement #2

  • Programmable attenuation/gain from -81 to +30 dB (DC to 18 GHz)
  • VSWR measurement (2 to 18 GHz)
  • Signal routing (DC to 18 GHz)
  • 2-slot width

93000277-10
RF Stimulus

  • Power amplification (2 to 18 GHz)
  • Signal + noise generation (0.01 to 18 GHz)
  • Tunable oscillator (2 to 6 GHz)
  • Signal routing (DC to 18 GHz)
  • 1-slot width

93000280-10
RF Demodulator

  • Phase demodulation and amplification (S band) for residual phase noise measurements
  • AM demodulation and amplification (S band) for amplitude noise measurements
  • Frequency downconversion (2 to 18 GHz)
  • Signal routing (DC to 18 GHz)
  • 1-slot width

93000318-10
Synchronizer #1

  • DC to 40 MHz
  • 9 outputs
  • 4 ns resolution
  • Internal or external clock and trigger
  • Differential ECL and TTL outputs
  • 1-slot width

93000543-04
Power Factor Correction Upgrade

  • Corrects input power factor to better than 0.99

94000104-10
RF Interface Unit (RFIU) Mainframe Basic Configuration

  • 8-slot wide RF mainframe (containing the necessary power supplies, motherboard, and cooling elements)

94000279-270
Microcontroller CCA (BRAT 520)

  • Controls the operating modes for the output switch module, the measurement switch module, and any additional modules inserted into the RFIU of the BRAT 520 that are utilized in support of navigation and communications testing requirements

94000603-10
RF Measurement #1

  • Programmable attenuation/gain from -81 to +30 dB (DC to 18 GHz)
  • Logarithmic amplification/detection and frequency discrimination
  • Signal routing (DC to 18 GHz)
  • 2-slot width

94000604-10
RF Converter

  • Frequency up/down conversion (1 to 18 GHz)
  • Power amplification (0.01 to 18 GHz)
  • High resolution differential phase signal and signal + noise generation (0.01 to 18 GHz)
  • Signal routing (DC to 18 GHz)
  • 2-slot width

94000605-10
RF Output

  • Programmable filtering (1 to 18 GHz)
  • Broadband amplification (2 to 18 GHz)
  • VSWR measurement (0.1 to 18 GHz)
  • Signal routing (DC to 18 GHz)
  • 2-slot width

94000606-10
RF Controller (BRAT® 305/405)

  • Message based IEEE-488 controller
  • Provides control of RFIU modules via internal RFIU system bus
  • Receives analog and digital data from RFIU modules
  • Contains 68000 series microprocessor and associated RAM and ROM

94000606-50
RF Controller (JTIDS)

  • Message based IEEE-488 controller
  • Provides control of RFIU modules via internal RFIU system bus
  • Receives analog and digital data from RFIU modules
  • Contains 68000 series microprocessor and associated RAM and ROM

94000606-70
RF Controller (JSTARS)

  • Message based IEEE-488 controller
  • Provides control of RFIU modules via internal RFIU system bus
  • Receives analog and digital data from RFIU modules
  • Contains 68000 series microprocessor and associated RAM and ROM

94100554-10
Phase Balance Module

  • Pulsed phase measurement of RF signals relative to a reference signal
  • Pulse modulation and amplification of RF signals
  • RF and IF signal switching and conditioning

94100766-10
Timing Generator Module

  • Precise programmable timing pulse outputs
  • Free running or external-triggered 10 MHz crystal oscillator timing source
  • Differential TTL and ECL outputs

96740045-10
L-Band Signal Conditioning Module

  • Signal switching from DC to 2 GHz
  • Narrow-band amplification
  • Programmable attenuation
  • Mixer up conversion for 75 MHz, 348 MHz, and L-band synthesis
  • Mixer down conversion for 75 MHz, 348 MHz, and L-band analysis
  • RF detection diodes
  • YIG oscillator for BIT testing

96740070-10
Reference Generator Module

  • 10 MHz input phase-locked to standard RF rack
  • 1.5, 2.5, 5, 8, 10, 12, 73.75, and 348 MHz phase-locked outputs for UUT and test equipment frequency reference
  • RF detection diode for BIT testing

96740103-10
CPSM Modulator/Demodulator Module

  • Signal switching from DC to 1 GHz
  • Noise source for noise injection
  • Continuous phase shift modulator (CPSM) for Link-16 messages simulation
  • Continuous phase shift modulation demodulator for Link-16 messages analysis
  • RF detection diode for BIT testing

97000001-10
KPA Synchronizer

  • DC to 40 MHz
  • 9 outputs
  • 4 ns resolution
  • Internal or external clock and trigger
  • Differential ECL and TTL outputs
  • 1-slot width