BNC 835 User Manual - Manual (Page 27)

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
3.7.3 Amplitude Modulation
The internal amplitude modulation ( Figure 3-l ) can be enabled by pressing the ON/OFF button in the
AM submenu. For internal modulation, the modulation depth and rate can be set. The internal function
generator is used to provide the modulation signal. The shape can be set to sine or square.
Switching between internal and external amplitude modulation is possible.
Figure 3-l AM Tab
3.7.4 Angle Modulation
The frequency and phase modulation settings can be accessed by selecting respective FM (frequency
modulation) or PM (phase modulation) tabs ( Figure 3-m ). AC or DC coupling can be selected.
For external angle modulation, enter the desired sensitivity per Volt for either frequency or phase
modulation and press the ON/OFF button to enable (disable) the modulation. Connect the modulation
source to the rear BNC input.