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| BRAT RF Instrument Specifications | ||
| Power Meter | ||
| Frequency: | 100 KHz to 50 GHz (sensor dependent) | |
| Power Range: | -70 to -44 dBm (sensor dependent) | |
| Power Sensor: | 8481D Sensor | |
| Dynamic Range: | 50 dB in 10 dB steps | |
| Accuracy Instrumentation: | +/-0.02 dB or +/-0.5% | |
| Power Meter Functions | ||
| Frequency: Allows entry of test signal frequency for Cal Factor selection | ||
| Offset: Allows power measurement to be offset by -99.99 dB to +99.99 dB |
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| Resolution: Selectable resolution of 0.1, 0.01, and 0.001 dB in logarithmic mode; 1%, 0.1%, and 0.01% of full scale in linear mode | ||
| Auto Filter Mode: The meter automatically selects the required number of averages for the chosen range and resolution | ||
| Averaging: Selectable from 1 to 1024 readings (in powers of 2) | ||
| Duty Cycle: Peak power representation of measured RMS power for rectangular pulses | ||
| Sensor Tables: Allows entry and editing of up to 10 Frequency versus Cal Factor sensor tables | ||
| Save/Recall States: Saves and recalls 10 complete E1416A operating states | ||
| Spectrum Analyzer | ||
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Frequency
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Frequency Range:
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3 Hz to 26.5 GHz | |
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Frequency Readout Accuracy
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±[marker frequency x frequency reference accuracy + 0.25% x span + 5% + RBW + 2 Hz + 0.5 x (span/[sweep points - 1])] | |
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Frequency Span
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Range:
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0 Hz, 10 Hz to 26.5 GHz | |
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Accuracy:
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±[0.2% x span + span/(sweep points - 1)] | |
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Frequency Reference Accuracy
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Aging:
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±1 x 10-7/year | |
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Temperature Stability:
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20°C to 30°C
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±1 x 10-8 | |
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0°C to 55°C
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±5 x 10-8 | |
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Sweep Time
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Range:
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span = 0 Hz
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1 µs to 6000 s | |
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span >/= 10 Hz
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1 ms to 2000 s | |
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Accuracy:
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| span >/= 10 Hz, sweep | ±0.01% nominal | |
| span >/= 10 Hz, FFT | ±40% nominal | |
| span = 0 Hz | ±0.01 Hz nominal | |
| Resolution Bandwidth | ||
| (-3.01 dB Bandwidth) | ||
| Range: | 1 Hz to 3 MHz (10% steps), 4, 5, 6, 8 MHz | |
| Accuracy (Power): | ||
| RBW Range | ||
| 1 Hz to 51 KHz | ±0.5% (+/-0.022 dB) | |
| 56 KHz to 75 KHz | ±1.0% (+/-0.044 dB) | |
| 82 KHz to 330 KHz | ±0.5% (+/-0.022 dB) | |
| 360 KHz to 1.1 MHz (< 3 GHz CF) |
±1.0% (+/-0.044 dB) | |
| 1.2 MHz to 2.0 MHz (< 3 GHz CF) |
±0.07 dB nominal | |
| 2.2 MHz to 6.0 MHz (< 3 GHz CF) |
±0.02 dB nominal | |
| Accuracy (-3.01 dB) | ||
| RBW Range | ||
| 8 MHz (< 3 GHz CF) | ±15% nominal | |
| Selectivity: | -60 dB/-3 dB | |
| Video Bandwidth | ||
| Range: | 1 Hz to 3 MHz (10% steps) | |
| Amplitude Range | ||
| Measurement Range: | Displayed Average Noise Level (DANL) to maximum safe input level | |
| Input Attenuator Range: | 0 to 70 dB in 2 dB steps | |
| Maximum Safe Input Power | ||
| Average Total Power: | +30 dBm (1 W) | |
| +25 dBm with preamp | ||
| Pulse Power: | < 10 µs pulse width, < 1% duty cycle and input attenuation >/= 30 dB +50 dBm (100 W) |
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| DC: | ||
| DC coupled | < ±0.2 Vdc | |
| AC coupled | ±100 Vdc | |
| Displayed Average Noise Level | ||
| Frequency | DANL | |
| 3 Hz to 1 KHz | -110 dBm nominal | |
| 1 KHz to 10 KHz | -130 dBm nominal | |
| 10 KHz to 100 KHz | -141 dBm | |
| 100 KHz to 1 MHz | -149 dBm | |
| 1 MHz to 10 MHz | -153 dBm | |
| 10 MHz to 1.2 GHz | -156 dBm | |
| 1.2 GHz to 2.5 GHz | -155 dBm | |
| 2.5 GHz to 3.0 GHz | -154 dBm | |
| 3 GHz to 6.6 GHz | -153 dBm | |
| 6.6 GHz to 13.2 GHz | -152 dBm | |
| 13.2 GHz to 20 GHz | -149 dBm | |
| 20 GHz to 26.5 GHz | -143 dBm | |
| Displayed Average Noise Level | ||
| With Preamplifier | ||
| Frequency | DANL | |
| 100 KHz to 200 KHz | -164 dBm | |
| 200 KHz to 500 KHz | -167 dBm | |
| 500 KHz to 10 MHz | -168 dBm | |
| 10 MHz to 1.1 GHz | -170 dBm | |
| 1.1 GHz to 2.5 GHz | -169 dBm | |
| 2.5 GHz to 3.0 GHz | -167 dBm | |
| Gain Compression Level | ||
| (0 dB Input Attn) | < 0.5 dB for signal levels </= -10 dBm | |
| With Preamplifier | < 1 dB for signals < 0 dBm @ preamp output | |
| Spurious Responses | ||
| (Mixer Level = -40 dBm) | ||
| f < 10 MHz from Carrier | (-73 + 20 log N) dBc | |
| f >/= 10 MHz from Carrier | (-80 + 20 log N) dBc | |
| (-90 + 20 log N) dBc typical | ||
| Second Harmonic Distortion | ||
| Band | Second Harmonic | |
| 10 MHz to 400 MHz (-40 dBm Mixer Level) |
-82 dBc | |
| 400 MHz to 1.25 GHz (-40 dBm Mixer Level) |
-92 dBc | |
| 1.25 GHz to 1.5 GHz (-40 dBm Mixer Level) |
-82 dBc | |
| 1.5 GHz to 2.0 GHz (-10 dBm Mixer Level) |
-90 dBc | |
| 2.0 GHz to 13.25 GHz (-10 dBm Mixer Level) |
-100 dBc | |
| With Preamplifier (Input Preamp Level = -45 dBm) |
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| 10 MHz to 1.5 GHz | -60 nominal | |
| Third-Order Intermodulation Distortion (TOI) | ||
| (For Two Signals, Each -30 dBm at Input Mixer with Tone Separation > 15 KHz, 20°C to 30°C) | ||
| Distortion | TOI | |
| 10 MHz to 100 MHz | -88 dBc | +14 dBm |
| 100 MHz to 400 MHz | -90 dBc | +15 dBm |
| 400 MHz to 1.7 GHz | -92 dBc | +16 dBm |
| 1.7 GHz to 3.0 GHz | -94 dBc | +17 dBm |
| 3.0 GHz to 6.0 GHz | -90 dBc | +15 dBm |
| 6.0 GHz to 16 GHz | -76 dBc | +8 dBm |
| 16 GHz to 26.5 GHz | -84 dBc | +12 dBm |
| Third-Order Intermodulation Distortion With Preamplifier (For Two Signals, Each -45 dBm at Preamp Input) |
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| TOI | ||
| 10 MHz to 500 MHz | -15 dBm nominal | |
| 500 MHz to 3 GHz | -13 dBm nominal | |
| RF Synthesizers (2) | ||
| Frequency | ||
| Range: | 10 MHz to 20 GHz | |
| Resolution: | 1 Hz | |
| Output Power | ||
| Range: | -90 dBm to +16 dBm | |
| Maximum Leveled Output Power | ||
| 10 MHz to 2 GHz | +17 dBm | |
| 2 GHz to 20 GHz | +20 dBm | |
| Resolution | 0.02 dB | |
| Accuracy and Flatness | ||
| 100 MHz to 2 GHz | ||
| Output Power Range | Accuracy | Flatness |
| -10 dBm to max. power | ±1.2 dB | ±0.9 dB |
| -10 dBm to +10 dBm | ±0.8 dB | ±0.5 dB |
| -20 dBm to -10 dBm | ±1.1 dB | ±0.7 dB |
| -60 dBm to -20 dBm | ±1.1 dB | ±0.7 dB |
| -90 dBm to -60 dBm | ±1.4 dB | ±1.1 dB |
| < 100 MHz degrade by 0.5 dB | ||
| < 2 GHz degrade by 0.1 dB | ||
| Harmonics | < -55 dBc | |
| Sub-Harmonics: | None | |
| Non-Harmonic Spurious: | < -60 dBc | |
| SSB Phase Noise: (10 KHz Offset) |
500 MHz | -103 dBc/Hz |
| 2 GHz | -91 dBc/Hz | |
| 18 GHz | -73 dBc/Hz | |
| External Pulse Modulation | ||
| On/Off Ratio: | > 80 dB | |
| Minimum Pulse Width: | 3.0 µs (leveled) | |
| 15 ns (unleveled) | ||
| Maximum Rise/Fall Time: | < 10 ns | |
| External Frequency Modulation | ||
| Rates: | 1 KHz to 10 MHz | |
| Maximum Deviation: | > ±85 MHz | |
| Maximum Modulation Index: | > 180 | |
| External Amplitude Modulation | ||
| Depth: | -20 dBm in normal mode | |
| 50 dB below max. output in deep mode | ||
| Rate: | DC to 250 KHz | |
| Accuracy: | < 7% of depth | |
| Digitizing Oscilloscope | ||
| Bandwidth: | DC to 500 MHz | |
| Maximum Sample Rate: | 5 GSa/s | |
| Maximum Input Voltage: | 150 V rms @ 1 M Ohm | |
| Vertical Resolution: | 9 bits | |
| Time Base: | Range: 1 ns to 10 s full scale | |
| Resolution: 20 ppm | ||
| RF Interface Unit (RFIU) Mainframe | ||
| Basic Configuration 8-slot wide RF mainframe (containing the necessary power supplies, motherboard, and cooling elements) and a 1-slot wide microcontroller module |
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| Optional Configurations RFIUs can be configured to provide an assortment of stimuli and perform a multitude of measurements including: |
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| Stimuli | ||
| - High Power | ||
| - Low Phase Noise | ||
| - Signal + Noise | ||
| - Differential Phase | ||
| - Spread Spectrum | ||
| - Multipath Fade Simulation | ||
| - Angle of Arrival Simulation | ||
| - Noise | ||
| Measurement | ||
| - Logarithmic Detection | ||
| - Frequency Discrimination | ||
| - VSWR | ||
| - Power | ||
| - Phase Noise (Absolute and Additive) | ||
| - AM Noise | ||
| - Spread Spectrum Decorrelation | ||