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SD42 Tektronix Optical Analyzer Used

SD42 Tektronix Optical Analyzer Used

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Additional Features:

  • Optical to Electric Converter Head
  • DC to 6.4 GHz optical bandwidth
  • 355 ps optical impulse response (FWHM) with the SD-24 and SD-26,
  • 360 ps optical impulse response (FWHM) with the SD-22
  • 1000 nm to 1700 nm Spectral Response
  • Mean Optical Power Monitor function
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Optical-to-Electrical Converter Head Pulse Characteristics

  • Response Bandwidth: DC – 6.4 GHz
  • Wavelength Range: 1000 to 1700 nm
  • Optical Impulse Response Speed: 55 ps max Full Width Half Maximum
  • Conversion Factor: 25 mW/V
  • Conversion Gain: 40 mV/mW
  • Equivalent Display Noise: with SD-22 10 µWRMS typical
  • With SD-24/SD-26 33 µWRMS typical (unity dot response); <15 µWRMS typical (with smoothing)
  • Aberrations (Step Response): <15% peak to peak in the first 400 ps following pulse input
  • Linear Response Range: <25 mW peak power; <5 mW mean power
  • Maximum Nondestructive Input: 75 mW peak power; 10 mW mean power

Optical-to-Electrical Converter Head Power Meter Characteristics

  • Dynamic Range: 5 nW to 5 mW
  • Linear Response Range: Range 1: <5 µW mean, <25 mW peak; Range 2: <5 mW mean, <25 mW peak
  • Sensitivity: Range 1: 1 V/mW; Range 2: 1 V/µW

Environmental and Mechanical Characteristics

  • Weight: 205 g (0.45 lb)
  • Height: 71 mm (2.9 inches)
  • Width: 23 mm (0.95 inch)
  • Depth: 95 mm (3.9 inches)
  • Ambient Temperature: Operating: 0° C to 50° C (32° F to 122° F); Nonoperating: –55° C to +75° C (–67° F to +167° F)
  • Altitude: Operating: to 4.5 km (15,000 ft.); Nonoperating: to 15 km (50,000 ft.)
  • Humidity: to 95% relative humidity at up to 50° C (122° F)
  • Electromagnetic Compatibility: Meets FCC Part 15J Class B

The SD-42 Optical-to-Electrical Converter Head is a high-performance optical head for use in the 11800 Series Digital Sampling Oscilloscopes (including the SM-11 Multi-channel Unit) and the CSA 803 Communications Signal Analyzer. The SD-42 Optical-to-Electrical Converter Head is used with SD-22, SD-24, and SD-26 Sampling Heads. The SD-42 converts an optical signal into an electrical signal which serves as the input to an SD Series Sampling Head.

The SD42 Optical-to-electrical Converter head can be used to analyze optical signals in the 1000 nm to 1700 nm wavelength range. The pulse response of the measurement system is less than 55 ps FWHM (Full-width, Half-maximum), which is equivalent to a calculated bandwidth of DC to 6.4 GHz. The electrical output on the front panel is coupled to the adjacent sampling head via the semi-rigid coaxial link provided.

Model No

SD42

Condition

Used

Manufacturer

Tektronix

Tektronix SD-42 SD-46 User Manual
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