Key Reference
F
Chapter 5144
FM ΦM Normal High BW
Supported PSG-A Series
This softkey toggles between the menus for frequency modulation (FM), normal phase
modulation (
Φ
M), and wideband phase modulation (
Φ
M High BW).
•Normal
Φ
M lets you set the phase deviation as high as N x 80 radians with a 3.0 dB
bandwidth at 100.0 kHz. Refer to Table 5-1 on page 145 for N values.
• High BW
Φ
M provides increased bandwidth while restricting the maximum
deviation to deviation settings up to N x 8 radians. Refer to Table 5-1 for N values.
Preset FM
Choices FM
Φ
M Normal
Φ
M High BW
Location Page 237
Remarks The deviation limits are dependent upon the carrier frequency. This
limiting occurs only when the modulation is turned on.
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