Bnc 835 User Manual Manual do Utilizador descarregar pdf (Página 40)

Berkeley Nucleonics Corporation 2955 Kerner Blvd., San Rafael, CA 94901

Phone: 415-453-9955, Fax: 415-453-9956, Email: [email protected], Web: www.berkeleynucleonics.com

Important note: All sweeps must be started with the RF on/off button on (green light

illuminated) otherwise no signal will be output during the sweep.

4.3 Modulation Submenu

After accessing the Modulation menu, use the

↓

↑

arrow keys to select the desired submenu entry.

Press the menu key to enter the selected submenu. Choose EXIT to return to the main menu.

Figure 4-e Modulation Submenu

4.3.1 Pulse Modulation Submenu

In the Pulse Mod submenu the pulse modulation can be accessed. Use the

↓

↑

arrow keys to move

the cursor to the parameter that you want to change. Use the arrows

→

←

and rotary knob to

modify the parameters.

On line 1 select between INT (internal pulse generator) and EXT (external input).

If internal modulation (INT) is selected, go to line 2 to change pulse width to desired value and go to

line 3 to change pulse modulation frequency.

Enable modulation by pressing the RF On/Off button.

Exit the submenu by pressing the menu key.

Figure 4-f Pulse Modulation Submenu

Pulse Modulation

Amplitude Modulation

Frequency Modulation

Phase Modulation

1 2 ... 35 36 37 38 39 40 41 42 43 44 45 ... 53 54

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Bnc 835 User Manual Manual do Utilizador Página 40