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