Omicron Lab Bode 100 Detailed Functional & Calibration Check
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Omicron Lab Bode 100 Detailed Functional & Calibration Check

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Detailed Functional & Calibration Check of

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1
CHECK OF FACTORY CALIBRATION .............................................................................................................. 2
CALIBRATION SERVICE ................................................................................................................................... 20
2
By Bernhard Baumgartner & Tobias Schuster
© 2008-2020 by OMICRON Lab - V4.0
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www.omicron-lab.com
Contact
support@omicron-lab.com
Smart Measurement Solutions
Bode 100 - Information
Bode 100
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for more information.
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Summary of Contents for Omicron Lab Bode 100

  • Page 1: Table Of Contents

    COUPLING CAPACITORS AT INPUT CHANNELS ..................19 1.10 C & HECK OF INTERNAL CONNECTIONS OUTPUT IMPEDANCE CALIBRATION SERVICE ........................... 20 By Bernhard Baumgartner & Tobias Schuster © 2008-2020 by OMICRON Lab – V4.0 Visit www.omicron-lab.com for more information. Contact support@omicron-lab.com for technical support. ®...

  • Page 2: Check Of Factory Calibration

    Detailed Functional & Calibration Check of Bode 100 Page 2 of 21 1 Check of factory calibration The following checks will help you to decide if it is required to send the Bode 100 to OMICRON Lab for calibration. Note: It is assumed that the user manual of the Bode 100 was read and understood prior the measurements described in this document are executed.
  • Page 3 Bode 100 - Information Detailed Functional & Calibration Check of Bode 100 Page 3 of 21 Figure 3: test signal shape - measurement settings Figure 4: test signal shape - start continuous measurement Expected Measurement result: Figure 5: test signal shape - expected result...

  • Page 4: Accuracy Of Output Frequency

    1.2 Accuracy of output frequency Measurement Setup: Please connect the output of the Bode 100 to a frequency counter which is locked to a high stable frequency normal (e.g. Rubidium, GPS etc.). Figure 6: output frequency accuracy - connection setup ®...
  • Page 5 ± 2 ppm ≙ ± 20 Hz @ 10 MHz (< 1 year after adjustment) ± 4 ppm ≙ ± 40 Hz @ 10 MHz (< 3 years after adjustment) If you measure a higher frequency deviation, please send the Bode 100 in for calibration / adjustment. ®...

  • Page 6: Accuracy Of Output Level

    Page 6 of 21 1.3 Accuracy of output level Measurement Setup: Please connect the Source output of Bode 100 to a calibrated 50 Ω power meter. Figure 10: output level accuracy - connection setup Equipment Setup: Please select the measurement type “Gain / Phase”, select the source settings as follows and start a continuous measurement: 1 MHz –...

  • Page 7: Accuracy Of Gain/Phase Factory Calibration

    ± 0.6 dB (1 MHz to 40 MHz for Bode 100 R1) max. ± 0.6 dB (1 MHz to 50 MHz for Bode 100 R2) If you measure a higher power deviation, please send in the Bode 100 for calibration / adjustment. 1.4 Accuracy of Gain/Phase factory calibration...
  • Page 8 Bode 100 - Information Detailed Functional & Calibration Check of Bode 100 Page 8 of 21 Figure 17: gain/phase accuracy - hardware setup Figure 18: gain/phase accuracy - measurement settings Then start a single measurement. Figure 19: gain/phase accuracy - start single sweep For better visibility change the chart setup to “one axis per chart”...
  • Page 9 Tolerance: max ± 3° from 1 Hz to 50 MHz If you measure a higher gain/phase deviation please send in the Bode 100 for calibration / adjustment. The following measurement results are an example and can be slightly different from the measurement with other devices.

  • Page 10: Noise Floor / Channel Isolation

    Bode 100 - Information Detailed Functional & Calibration Check of Bode 100 Page 10 of 21 Figure 23: gain/phase accuracy - phase (°) measurement 1.5 Noise floor / Channel isolation Measurement Setup: Disconnect all BNC cables from Bode 100. Do not connect anything to the front side BNC connectors! Equipment Setup: Please select the measurement type “transmission / reflection”...
  • Page 11 Gain: max. - 100 dB for 1 Hz to 50 MHz If you measure a gain higher than -100 dB please send in the Bode 100 for calibration / adjustment. Figure 27: noise floor / isolation – magnitude (dB) measurement ®...

  • Page 12: Accuracy Of Impedance Calibration

    Page 12 of 21 1.6 Accuracy of impedance calibration Measurement Setup: Connect the 50 Ω BNC Load connector to the output of the Bode 100. Figure 28: impedance accuracy - connection setup Equipment Setup: Please select the measurement type “one-port” and apply the following settings: Figure 29: impedance accuracy - measurement type ®...
  • Page 13 Figure 31: impedance accuracy – reflection magnitude (dB) measurement If you measure a higher reflection than -35 dB please re-start the Internal Device Calibration and re- perform this test. If this does not help, please send the Bode 100 in for calibration / adjustment. ®...

  • Page 14: Quick Check Of Attenuators

    This is just a qualitative check that proves that the attenuators do their job in general. Measurement setup: Connect the Source of Bode 100 to the two inputs using the cables and the T-BNC Adapter delivered with Bode 100. Figure 32: quick check attn. - measurement setup Equipment setup: Please select the measurement type “Gain / Phase”...
  • Page 15 Bode 100 - Information Detailed Functional & Calibration Check of Bode 100 Page 15 of 21 Figure 35: quick check attn. - measurement settings Expected Measurement results: Press the “continuous measurement” button and check if the results fit the expected results below:...

  • Page 16: Check Of Attenuator Correction

    This chapter shows how to do a rough check of the attenuator correction. Measurement setup: Connect the Source of Bode 100 to the two inputs using the cables and the T-BNC Adapter delivered with Bode 100. Figure 36: test attenuators - measurement setup Equipment setup: Please select the measurement type “Gain / Phase”...
  • Page 17 Page 17 of 21 Then start a single measurement for each attenuator setting as seen below. ATTENTION: The Level needs to be -10 dBm to avoid an overload at the input of Bode 100. Expected Measurement results: Attenuator CH1 Attenuator CH2...

  • Page 18: Quick Check Of Ac Coupling Capacitors At Input Channels 1 & 2

    Make sure that the 50 Ohm termination of CH1 and CH2 are switched OFF before you connect the DC voltage. Otherwise the inputs of the Bode 100 will be destroyed! Please use a DC Voltage Supply with low ripple and noise to avoid overload caused by the ripple on the DC voltage.

  • Page 19: Check Of Internal Connections & Output Impedance

    Page 19 of 21 1.10 Check of internal connections & output impedance In the following, the internal connections from the receivers to the 50 Ω output impedance are tested. Additionally, the output of the Bode 100 will be checked. Measurement Setup: OPEN:...

  • Page 20: Calibration Service

    2 Calibration service ISO9001 Factory Calibration Calibration and adjustment of the Bode 100 is performed in our ISO 9001-2008 certified development center. If a unit is sent in for calibration, we perform a complete factory calibration including adjustment like during manufacturing. This ensures that the Bode 100 has the same accuracy as when it was manufactured.
  • Page 21 Asia and an international network of distributors enable a fast and extraordinary customer support. OMICRON Lab products stand for high quality offered at the best price/value ratio on the market. The products' reliability and ease of use guarantee trouble-free operation. Close customer relationship and more than 30 years in-house experience enable the development of innovative products close to the field.

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