59
Chapter 4 Calibration Procedures
Performance Verification Tests
4
Amplitude and Flatness Verification Worksheet
1. Enter the following measurements (from procedure on page 61).
1kHz_0dB_reference = __________________________ Vrms
1kHz_10dB_reference = __________________________ Vrms
1kHz_20dB_reference = __________________________ Vrms
2. Calculate the dBm value of the rms voltages.
1kHz_0dB_reference_dBm =
=
10 * log(5.0 * 1kHz_0dB_reference
2
)
__________________________ dBm
1kHz_10dB_reference_dBm =
=
10 * log(5.0 * 1kHz_10dB_reference
2
)
__________________________ dBm
1kHz_20dB_reference_dBm =
=
10 * log(5.0 * 1kHz_20dB_reference
2
)
__________________________ dBm
3. Enter the following measurements (from the procedure on page 62).
100kHz_0dB_reference = __________________________ Vrms
100kHz_10dB_reference = __________________________ Vrms
100kHz_20dB_reference = __________________________ Vrms
4. Calculate the dBm value of the rms voltages.
100kHz_0dB_reference_dBm =
=
10 * log(5.0 * 100kHz_0dB_reference
2
)
__________________________ dBm
100kHz_10dB_reference_dBm =
=
10 * log(5.0 * 100kHz_10dB_reference
2
)
__________________________ dBm
100kHz_20dB_reference_dBm =
=
10 * log(5.0 * 100kHz_20dB_reference
2
)
__________________________ dBm
5. Calculate the offset values.
100kHz_0dB_offset =
=
100kHz_0dB_reference_dBm – 1kHz_0dB_reference_dBm
__________________________ dBm (use on page 63)
100kHz_10dB_offset =
=
100kHz_10dB_reference_dBm
– 1kHz_10dB_reference_dBm
__________________________ dBm (use on page 65)
100kHz_20dB_offset =
=
100kHz_20dB_reference_dBm – 1kHz_20dB_reference_dBm
__________________________ dBm (use on page 66)