YOKOGAWA FG420, Руководство пользователя

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140 IM FG410-01EN
7 SPECIFICATIONS
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 kΩ , 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
Input connector Use of external trigger input.
Input voltage and input impedance follow the external trigger input
specifications.