Agilent Technologies E4438C Guia do Utilizador descarregar pdf (Página 13)

User’s and Service Guide Supplement 5

E4438C Option HEC

Instrument Setup

E4423B or E4433B External Clock

Set the External Clock as follows:

[Frequency] [400 MHz]

[Amplitude] [0 dBm]

[RF On] (toggle the hardkey)

NOTE

The E4438C Option HEC sample rate for the DUT’s

Ext Clk Freq = 4 × (Arb sample rate).

E4438C Option HEC

Set the E4438C Option HEC as follows:

[Preset]

[Frequency] [1 GHz]

[Amplitude] [0 dBm]

[Mode] Dual ARB > Select Waveform. Using the arrow key select SINE_TEST_WFM on the

display, then Select Waveform (*NONE*).

ARB On (toggle the softkey)

[RF On] (toggle the hardkey). Refer to Figure 3.

Figure 3 E4438C Option HEC: ARB On and RF On

RF On

ARB On

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Agilent Technologies E4438C Guia do Utilizador Página 13