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.
Carrier frequency range: 100 kHz to 2.5 GHz
|
|
RF INPUT |
|
| Frequency Range | 100kHz to 2.5GHz |
| Tuning(8) | Automatic, typical acquisition time one second or manual from keyboard or IEEE-488 bus. |
| Sensitivity | 10mV, Frequency Range: 100kHz to 520MHz. |
| 15mV, Frequency Range: 520kHz to 1000MHz. | |
| 28mV, Frequency Range: 1000kHz to 1500MHz. | |
| 50mV, Frequency Range: 1500kHz to 2500MHz. | |
| Maximum Input(8) | 1 watt( 7V rms, +30dBm ) |
| Maximum Safe Input(8) | 40 Vdc, 35 Vac (25 W for source SWR < 4) |
| Level Set(8) | Automatic, typical acquisition time one second for levels up to 7V, or manual from keyboard or IEEE-488 bus. |
| Input Impedance | 50 ohms nominal. |
| VSWR | < 1.50, Frequency Range: 100kHz to 2.0GHz. |
| < 1.80, Frequency Range: 2.0GHz to 2.5GHz | |
| FREQUENCY MODULATION | |
| Measurement | + peak, - peak, peak average, quasi-peak, and rms. |
| Rates | 20 Hz to 15 kHz, Frequency Range: 0.2 to 0.5MHz |
| 20 Hz to 50 kHz, Frequency Range: 0.5 to 10MHz | |
| 20 Hz to 220 kHz, Frequency Range: 10 to 2.5GHz | |
| Range(6) | 0 to carrier (kHz) /10kHz peak, Frequency Range: 0.2 to 0.5MHz |
| 0 to 150kHz peak, Frequency Range: 0.5 to 10MHz. | |
| 0 to 500kHz peak, Frequency Range: 10MHz to 2.5GHz | |
| Resolution(7) | 1Hz, 0.000 to 5.000kHz deviation. |
| 10Hz, 5.00 to 50.00kHz deviation. | |
| 100Hz, 50.0 to 500.0kHz deviation. | |
| Accuracy(1) (2) | 1% of reading, 30Hz to 5kHz rates, Frequency, Range: 0.2 to 0.5MHz |
| 2% of reading, 5kHz to 7.5kHz, Frequency Range: 0.2 to 0.5MHz | |
| 1% of reading, 30Hz to 15kHz, Frequency Range: 05 to 10MHz. | |
| 2% of reading, 15kHz to 30kHz, Frequency Range: 0.5 to 10MHz | |
| 1% of reading, 30kHz to 100kHz, Frequency Range: 0.01 to 2.5GHz | |
| 2% of reading, 100kHz to 150kHz, Frequency Range: 0.01 to 2.5GHz | |
| Distortion | < 0.1% for deviations < 30kHz, Frequency Range: 0.2 to 0.5MHz |
| < 0.1% for deviations < 75kHz, Frequency Range: 0.5 to 10MHz | |
| < 0.1% for deviations < 100kHz, Frequency Range: 0.01 to 2.5GHz | |
| Residual FM | < 15Hz RM at 2000MHz carrier, decreasing linearly with frequency. |
| (3kHz low-pass) | < 1Hz RMS at 100MHz. (floor) |
| Residual FM | < 30Hz RMS at 2000MHz carrier, decreasing linearly with frequency. |
| (15kHz low-pass) | < 2Hz RMS at 100MHz.(floor) |
| Incidental FM | < 20Hz peak deviation at 50%AM, 30Hz to 3kHz measurement bandwidth. |
| AMPLITUDE MODULATION | |
| Measurement | + peak, - peak, peak average, quasi-peak, and rms. |
| Rates | 20Hz to 15kHz, Frequency Range: 0.1 to 0.5MHz |
| 20Hz to 50kHz, Frequency Range: 0.5 to 10MHz | |
| 20Hz to 220kHz, Frequency Range: 10 to 2.5GHz | |
| Range | 0 to 99.9% |
| Resolution | 0.001% from 0.000 to 5.000% AM. |
| 0.01% from 5.00 to 50.00% AM. | |
| 0.1% from 50.1 to 99.9% AM. | |
| Accuracy (1) (2) | 1% of reading, 30Hz to 5kHz, Frequency Range: 0.1 to 0.5MHz |
| 2% of reading, 30Hz to 7.5kHz, Frequency Range: 0.1 to 0.5MHz | |
| 1% of reading, 30Hz to 15kHz, Frequency Range: 0.5 to 10MHz | |
| 2% of reading 30Hz to 30kHz, Frequency Range: 0.5 to 10MHz | |
| 1% of reading 30Hz to 100kHz, Frequency Range: 0.01 to 2.5GHz | |
| 2% of reading 30Hz to 150kHz, Frequency Range: 0.01 to 2.5GHz | |
| Distortion | < 0.3% for depths up to 90% |
| Residual AM(3) | 0.02% RMS, 30Hz to 3kHz bandwidth. |
| 0.05% RMS, 30Hz to 15kHz bandwidth. | |
| Incidental AM | < 0.2% AM peak at 5kHz deviation, Carrier Frequency < 10MHz. |
| (3kHz low-pass) | < 0.2% AM peak at 50kHz deviation, Carrier Frequency > 10MHz. |
| PHASE MODULATION | |
| Measurement | + peak, - peak, peak average, quasi-peak, and rms |
| Rates | 100Hz to 15kHz, Frequency Range: 0.2 to 0.5MHz |
| 20Hz to 50kHz, Frequency Range: 0.5 to 10MHz | |
| 20Hz to 100kHz, Frequency Range: 10MHz to 2.5GHz | |
| Range(4) | 0 to CARRIER (kHz)/10 RAD peak, Frequency Range: 0.2 to 0.5MHz |
| 0 to 150RAD peak, Frequency Range: 0.5 to 10MHz | |
| 0 to 500RAD peak, Frequency Range: 10MHz to 2.5GHz | |
| Resolution(5) | 0.001 RAD, 0.000 to 5.000 RAD deviation |
| 0.01 RAD, 5.00 to 50.00RAD deviation | |
| 0.1 RAD, 50.0 to 500.0 RAD deviation | |
| Accuracy(1) (2) | 3% of reading, 200Hz to 7.5kHz, Frequency Range: 0.2 to 0.5MHz |
| 3% of reading, 200Hz to 30kHz, Frequency Range: 0.5MHz to 2.5GHz | |
| Distortion | < 0.1% for deviations < 30 RAD, Frequency Range: 0.2 to 0.5MHz |
| < 0.1% for deviations < 75 RAD, Frequency Range: 0.5 to 10MHz | |
| < 0.1% for deviations < 100RAD, Frequency Range: 0.01 to 2.5GHz | |
| Residual PM | < 0.1 RAD RMS at 2GHz decreasing linearly with frequency |
| < 0.005 RAD RMS at 100MHz (floor) | |
| Incidental PM | < 0.02 RAD peak at 50%AM, 30Hz to 3kHz bandwidth |
| CARRIER FREQUENCY | |
| Range | 100kHz to 2.5GHz |
| Resolution | 10Hz, Frequency < 1000MHz |
| 100Hz, Frequency > 1000MHz | |
| Accuracy | reference accuracy ± 3digits |
| Reference | 10.0000MHz, 1 x 10 - 6/year aging |
| 1 x 10 - 6/dagree C temperature Influence, from 1 to 50 degrees C | |
| CARRIER LEVEL | |
| Range | - 47.0 ( -27.0 ) to + 30.0dBm, Frequency Range: 0.1 to 520MHz |
| - 37.0 ( -17.0 ) to +30.0 dBm, Frequency Range: 520 to 1500MHz | |
| - 33.0 ( -13.0 ) to + 30.0dBm, Frequency Range: 1500 to 2500MHz | |
| * With carrier frequency set. ( ) values In automatic mode | |
| Frequency Range | 100kHz to 2500MHz |
| Resolution | 0.01dB or 0.1 millivolts |
| Accuracy | ± 1dB, Frequency Range: 0.1 to 520MHz |
| ± 2.0dB, Frequency Range: 520 to 1500MHz | |
| ± 3.0dB, Frequency Range: 1500 to 2500MHz | |
| AUDIO FREQUENCY | |
| Range | 10Hz to 220kHz |
| Resolution | 0.1Hz from 10Hz to 1kHz |
| 10Hz from 10kHz to 100kHz | |
| 100Hz above 100kHz | |
| Accuracy | reference accuracy ±1count |
| AUDIO DISTORTION/SINAD | |
| Frequency Range | 20Hz to 20kHz |
| Tuning | Automation if modulation frequency is within range, or manual from keyboard or IEEE-488 bus |
| Distortion Range | 0.01 to 100% THD or 0 to 80dB SINAD |
| Resolution | 0.01%, Range: 0.01 to 9.99% |
| 0.1%, Range: 10.0 to 99.9% | |
| 0.01dB, Range: 0 to 80dB SINAD | |
| Accuracy | ±10% or ±1dB SINAD. Residual modulation must be accounted for in distortion measuremnts |
| Residual Distortion | < 0.1% or 60dB SINAD |
| AUDIO FILTERS | |
| High-pass | <10Hz Gaussian, less than 10% droop with 5Hz square wave.(8) |
| 30, 300and 3000Hz, 3-pole Butterworth | |
| Low-pass | 3 and 15kHz, 3-pole Butterworth |
| 20kHz, 3-pole Bessel | |
| 50 and 220kHz, 7-pole Butterwoth | |
| De-emphasis | 25, 50, 75, and750μs |
| Accuracy | ± 4% 3dB corner and time constant |
| AM CALIBRATOR | Internal, 50.00% depth, 0.1% accuracy |
| FM CALIBRATOR | Internal, 125.0kHz deviation, 0.1% accuracy |
| PM CALIBRATOR | Internal, 136.3 RAD deviation, 1% accuracy |
| GENERAL | |
| Power Requirements | 100, 120, 220, or 240 volts, ±10%, 50 - 400Hz, single phase, approx. 65VA |
| Operating Temperature | 0 to 55 degrees C |
| Dimensions | 17.25 inches (43.8 cm) wide |
| 5.75 inches (14.6cm) high | |
| 18.75inches (47.6cm)deep | |
| Weight | 28Ids (12.7kg) |
| Accessories Included | rack mounting hardware |
| SUPPLEMENTAL SPECIFICATIONS | |
| AF OUT (8) | Uncalibrated, approx, 1V into 600 ohms on display Source impedance 600 ohms |
| IF OUT (8) | Approximately 2dB into 50ohms |
|
Frequency 1.21MHz nominnl for carriers from 10 to 2500MHz 346kHz for carriers from 2 to 10MHz, and 100kHz to 2MHz for carriers below 2MHz |
|
| Source impedance 50 ohms | |
| AM OUT (8) | DC coupled, 0.02 volts peak-to-peak per 1%AM depth. Source impedance 600 ohms |
| FM OUT (8) | DC coupled, volts peak-to-peak per ±100kHz deviation. Source impedance 600 ohms |
| DOST OUT (8) | Uncalibrated, approximately 1V rms into 600 ohms at 5000counts on display. Source impedance 600 ohms |
| REF IN (8) | TTL compatible for external timebase, Switching is automatic |
| IEEE-488 (8) | Complies with IEEE-488-1978. Implements AH1, SH1, T6, TE0, SR1, PP0, DC1, DT1, C0, and E1 |
| Stereo Separation (8) | > 48dB, 50Hz to 15kHz, < 10 to 220kHz bandwidth |
| AVIONICS AM CALIBRATION (optional) | |
| Accuracy | ± 0.7%, 20 to40%AM, at 30Hz to 3kHz rates, < 10 to 15kHz filters |
| Flatness | ± 0.4% for constant AM between 20and and 40%, and 90and 150Hz rates |
| POWER REFERENCE (optional) | |
| Frequency | 50MHz, ± 1% |
| Power Accuracy | 0.7% initial accuracy |
| ±1.2% over 1year | |
| CCITT FILTER (optional) | bandpass filter, CCITT recommendation P.53. |
| CCIR FILTER (optional) | bandpass filter, CCIR recommendation 468-3(DIN 45404) |
| C-MSG FILTER (optional) | bandpass filter, Bell System Technical Reference 41009 |
| AUDIO LOOP THRU (optional) | |
| Frequency range | < 10Hz to > 220kHz |
| Input impedance | 1 Megohm, shunted by approximately 50pF |
| Output Impedance | 600 ohms |
| NOTES | |
| (1) | peak residuais must be accounted for |
| (2) | For rms add ± 1% of reading |
| For qunsl-peak add ± 6% of reading, 20Hz to 20kHz | |
| (3) | Level > 100millivolts, carrier frequency |
| Above 520MHz, residuals Increase linearly with frequency | |
| (4) | Up to 1kHz modulation rate, Above 1kHz range decreases linearly with modulation frequency |
| (5) | Up to 1kHz modulation rate. Above 1kHz resolution is determined by the product of deviation and modulation rate |
| (6) | With 750 us de-emphasis, and pre-display selected, the deviation is limited to 50kHz peak |
| (7) | Display resolution is ten time greater with 750μs de-emphasis, and pre-display selected |
| (8) | These specifications are for application purposes and, although typical, are not warranted |
Products list | brand | Model No. | Home