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Features
¡ñAdvanced Direct Digital Synthesis(DDS) technique
¡ñ Output fundamental waveform, harmonic waveform and sync waveform. Available adjusting of phase difference between fundamental and harmonic waveform
¡ñ VFD, clarity and comfortable vision£¬two-level menu, convenient operation
¡ñ Crystal oscillation reference£¬high accurate frequency and resolution
¡ñ Optional interface of GPIB£¬USB£¬RS232
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Specifications
¡ñ Total harmonic distortion£º¡Ü1%
¡ñ Frequency range£º40mHz¡«1MHz£» resolution£º40mHz
¡ñ Amplitude range£º0 ¡«20Vp-p
¡ñ Fundamental waveform frequency£º50Hz¡«100kHz
¡ñ Harmonic waveform£º1¡«250th
¡ñ Harmonic waveform phase shift£ºcoarse adjusting£º45o/step£¬fine adjusting£º1o/step;
sequence adjusting
¡ñ Output mode£ºfundamental waveform and harmonic waveform output respectively;
output after linear sum of fundamental waveform and harmonic waveform
¡ñ Output power£º50Hz¡«20kHz(6W@8¦¸); 50Hz¡«100kHz(1W@8¦¸)
¡ñ Frequency and amplitude sweep£ºOriginal point and final point can be
set arbitrarily. Manual sweep available by point
¡ñ Burst mode£ºcontinuous, single, gating output
¡ñ Dimensions and weight£º254¡Á103¡Á374(mm3);3kg
Features
¡ñ Digital technique and analog technique are combined together, controlled
by MPU
¡ñ LCD, clarity and comfortable vision. Measurement range, voltage, dBV
and dBm can be displayed simultaneously, automatic decimal position and
unit change
¡ñ Over-voltage and under-voltage indication
¡ñ Auto or manual measurement range selection
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¡ñ Single channel input for SM1020£»double channel input for SM1030
¡ñ RS232 interface
Specifications
¡ñ AC voltage measurement range£º70¦ÌV¡«300V; resolution£º0.001mV¡«0.1V
¡ñ dBV measurement range£º-80dBV¡«50dBV(0dBV=1V)£» resolution£º0.1dBV
¡ñdBm measurement range£º-77dBm¡«52dBm(0dBm=1mW,600¦¸)£» resolution£º0.1dBm
¡ñ Frequency range£º5Hz ¡«2MHz
¡ñ Display£ºLCD£¬4-digit for voltage¡¢3-digit for electric level
¡ñ Input impedance£º10M¦¸//30pF
¡ñ Noise£º0 when short circuit for input
¡ñ Interface£ºRS232
¡ñ Dimensions and weight£º254¡Á103¡Á374(mm3);3kg