8201 Modulation Analyzer
The Model 8201 provides precision modulation and audio analysis in a single, easy-to-operate package. Measures AM, FM, PM, carrier and audio frequencies, SINAD, distortion and carrier level.Quick Specifications
RF Input | |
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Frequency Range | 100 kHz to 2.5 GHz |
Maximum Input | 1 watt (7 V RMS, +30 dBm) |
Input Impedance | 50 Ω nominal, SWR <1.5 |
Audio Distortion/SINAD | |
Distortion Range | 0.01 % to 100% THD or 0 to 80 dB SINAD |
Distortion Accuracy | ± 10% of reading or ± 1 dB SINAD. (The residual AM/FM or ØM must be accounted for in distortion measurements) |
Frequency Range | 20 Hz to 20 kHz. Automatic operation when modulation frequency is within this range |
Residual Noise & Distortion | Less than 0.1 % (60 dB SINAD) distortion |
FM Modulation | |||
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Measurement: + peak, -peak, peak average, quasi-peak and RMS | |||
Carrier Range | 0.2 MHz to 0.5 MHz | 0.5 MHz to 10 MHz | 10 MHz to 2.5 GHz |
Deviation Range | 0 to C.F./10 kHz | 0 to 150 kHz | 0 to 500 kHz |
Deviation Accuracy @ spec. mod. rates |
1% of reading 30 Hz to 5 kHz 2% of reading 5 kHz to 7.5 kHz |
1% of reading 30 Hz to 15 kHz 2% of reading 15 kHz to 30 kHz |
1% of reading 30 Hz to 100 kHz 2% of reading 100 kHz to 150 kHz |
Modulation Frequency Range |
20 Hz to 15 kHz | 20 Hz to 50 kHz | 20 Hz to 220 kHz |
AF Output Distortion | <0.1% @ <30 kHz dev | <0.1% at <75 kHz | <0.1% at <100 kHz dev |
AM Modulation | |||
Measurement: + peak, - peak, peak average, quasi-peak, and RMS | |||
Carrier Range | 0.1 MHz to 0.5 MHz | 0.5 MHz to 10 MHz | 10 MHz to 2.5 GHz |
Depth Range | 0 to 99% | 0 to 99% | 0 to 99% |
Depth Accuracy @ spec. mod. rates |
1% of reading 30 Hz to 5 kHz |
1% of reading 30 Hz to 15 kHz |
1% of reading 30 Hz to 100 kHz |
Modulation Frequency Range |
20 Hz to 15 kHz | 20 Hz to 50 kHz | 20 Hz to 220 kHz |
AF Output Distortion | <0.3% for 90% AM | <0.3% for 90% AM | <0.3% for 90% AM |
Residual AM <0.05% RMS for input levels >100 mV, 15 kHz low-pass filter; >0.02% RMS for input levels >100 mV, 3 kHz low-pass filter; carrier frequency <520 MHz. Above 520 MHz, residuals increase linearly with frequency |
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