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High Frequency Response
High Frequency Response - Continued

Calibration Procedure For True Rms Voltmeter, Models 89020 And 8921A Page Navigation
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TB 9-6625-2325-24
(13) Set calibrator to 190 kHz and adjust amplitude output adjustment controls until
TI indication equals TI indication recorded in (3) above.  Calibrator Error display
indication will be within 2 percent.
(14) Set calibrator for a 10 mV, 1 kHz wideband output.
(15) Adjust calibrator amplitude output adjustment controls until TI indication
equals TI indication recorded in (4) above, then press calibrator NEW REF key.
(16) Set calibrator to 20 MHz and adjust amplitude output adjustment controls until
TI indication equals TI indication recorded in (4) above. If calibrator Error display
indication is not within 5 percent, perform b (2) below.
(17) Set calibrator to 5 MHz and adjust amplitude output adjustment controls until
TI indication equals TI indication recorded in (4) above.  Calibrator Error display
indication will be within 4 percent.
(18) Set calibrator to 990 kHz and adjust amplitude output adjustment controls until
TI indication equals TI indication recorded in (4) above.  Calibrator Error display
indication will be within 2 percent.
(19) Set calibrator to 190 kHz and adjust amplitude output adjustment controls until
TI indication equals TI indication recorded in (4) above.  Calibrator Error display
indication will be within 1 percent.
(20) Set calibrator for a 100 mV, 1 kHz wideband output.
(21) Adjust calibrator amplitude output adjustment controls until TI indication
equals TI indication recorded in (5) above, then press calibrator NEW REF key.
(22) Set calibrator to 20 MHz and adjust amplitude output adjustment controls until
TI indication equals TI indication recorded in (5) above.  If calibrator Error display
indication is not within 5 percent, perform b (3) below.
(23) Set calibrator to 5 MHz and adjust amplitude output adjustment controls until
TI indication equals TI indication recorded in (5) above.  Calibrator Error display
indication will be within 3 percent.
(24) Set calibrator to 990 kHz and adjust amplitude output adjustment controls until
TI indication equals TI indication recorded in (5) above.  Calibrator Error display
indication will be within 0.7 percent.
(25) Set calibrator to 190 kHz and adjust amplitude output adjustment controls until
TI indication equals TI indication recorded in (5) above.  Calibrator Error display
indication will be within 0.5 percent.
(26) Set calibrator for a 1 V, 1 kHz wideband output.
(27) Adjust calibrator amplitude output adjustment controls until TI indication
equals TI indication recorded in (6) above, then press calibrator NEW REF key.
(28) Set calibrator to 20 MHz and adjust amplitude output adjustment controls until
TI indication equals TI indication recorded in (6) above.  If calibrator Error display
indication is not within 5 percent, perform b (4) below.
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