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7.
SPECIFICATIONS
IM FG410-01EN
7.6 Modulated Oscillation Mode
7.6.1 General
Modulation type
FM, FSK, PM, PSK, AM, DC offset modulation, PWM
Modulation source
Internal, external (selectable)
Internal modulation waveform
Other than FSK, PSK
Sine wave, square wave (50% duty), triangular wave
(50% symmetry), rising ramp wave, falling ramp wave,
noise, arbitrary wave
FSK, PSK
Square wave (50% duty)
Internal modulation frequency
Other than FSK, PSK
0.1 mHz to 100 kHz (5 digits or 0.1 mHz resolution)
FSK. PSK
0.1 mHz to 1 MHz (5 digits or 0.1 mHz resolution)
Internal modulation sync output
Output waveform
Square wave with 50% duty that rises at zero phase
position of internal modulation waveform
Fixed to low level while internal modulation waveform
is noise
Output connector
Shared with sync/sub-output connector
Internal modulation signal output
Output voltage
−
3 V to +3 V/open
Output connector
Shared with sync/sub-output connector
External modulation input (other than FSK, PSK)
Input voltage range
±1 V full scale
Maximum allowed input
±2 V
Input impedance
10 k
Ω
, unbalanced
Input frequency
DC to 25 kHz
Input connector
Front panel (FG410) / rear panel (FG420)
BNC receptacle
Shared with external addition input, cannot be used
simultaneously with adding operation
External modulation input (FSK, PSK)
Polarity
Positive, negative (selectable)
Input frequency
DC to 1 MHz
Half-sine
edge pulse
Pulse whose rise and fall are half-sine waveform
Leading edge time (0.00% to 100.00% of basic period)
Trailing edge time (0.00% to 100.00% of basic period)
Duty (0.00% to 100.00%
）
Bottom
referenced
ramp
Ramp waveform with bottom level as reference
Symmetry (0.00% to 100.00%)
Waveform
Name
Waveform
Example
Description and Variable Parameters
1.5
1.0
0.5
0
0.5
1.0
1.5
1.5
1.0
0.5
0
0.5
1.0
1.5
