CA1642 SERIES DDS SIGNAL GENERATOR / COUNTER

CA1642 SERIES DDS SIGNAL GENERATOR/COUNTER Features .Excellent DDS and FPGA technology .Frequency range: 1µHz 10/15/20/25MHz .Frequency accuracy: 1µHz .Small signal accuracy: 10mV (attenuation 0dB) .Adjustable duty cycle of sine, triangle and square wave .Function of arbitrary and subwave output .Function of Counter and storage .INT/EXT and AM/FM/PM modulation.Linear sweep and logarithmic sweep mode.USB interfaceTechnical DataCA1642 SeriesMainwave frequency rangeCA1642-10 CA1642-15 CA1642-20 CA1642-25 1µHz 10MHz 1µHz 15MHz 1µHz 20MHz 1µHz 25MHz MAIN OUTPUTWaveformsine,square,triangle,TTL and arbitrary etcDuty cycleAdjustable (1% 99%)Sine wave harmonic distortion0.3%(20Hz 2kHz)Square ware rising & falling time20nsFrequency resolution1µHzFrequency error±5×10-6Frequency stability±1×10-6Amplitude range10mVp-p 20Vp-pAmplitude resolution10mVAmplitude error±(1%+2mv)(f<1KHz 20Vp-p)Amplitude stability±0.5%DC offset+5V -5vOutput impedance50Ω±10%Attenuation10bB 20bB 30bB 40bB 50bB 60bBSUB OUTPUTWaveformsine,square,triangleFrequency range10mHz 200kHzAmplitude range10mVp-p 20Vp-pOutput impedance600Ω±10%TTL Outpurt Level≥3Vp-pSWEEPRange10mHz 10MHz10mHz 15MHz10mHz 20MHz10mHz 25MHzTime10ms 50sModeLinear/ logarithmAMPLITUDE MODULATIONModeinternal and externalFrequency0 200kHz(INT) , 1Hz 100kHz(EXT)Depth1%-120%External modulationEXT input signal 0-2V peak value (no attenuation) , 0 20V peak value (attenuation 20dB)FREQUENCY MODULATIONModeinternal and externalFrequency0 200kHz(INT) , 1Hz 100kHz(EXT)Depth100% of the carrier wave frequencyExternal modulationEXT input signal 0-2V peak value (no attenuation) , 0 20V peak value (attenuation 20dB)PHASE MODULATIONModeinternal and externalFrequency0 200kHz(INT) , 1Hz 100kHz(EXT)range0° 360.0°Resolution1°External measuringRange1Hz 100MHzMinimal input voltageInternal attenuation on: 1V;Internal attenuation off:100mVMaximal input voltage20VMeasuring time0.1s (fast) , 1s (slow)Internal lowpassFrequency up to 100kHz (approx)Power source110 127VAC±10%/220 240VAC±10%, 50Hz±2Hz/60Hz±2HzDimensions(W×H×D) & Weight265*300*110(mm) 2Kg Approx