Features:Using FPGA design, it is easy to use and has high signal stability. It also has TTL output and external frequencymeasurement functions the output signal can adjust amplitude and DC offsetsSuitable for laboratory, engineering technicians and hobbyists.Signal aspects: The meter is able to generate sine, square, triangle and sawtoothMeasurement: The meter has the frequency measurement and counting functionsScan aspects: It has scanning capability and can achieve frequency sweep with an arbitrary start and end point.Storage and Recall function: With 10sets (M0-M9) parameter storage locations, data of M0 can be loaded as power on.Specification:Type: UDB1005S5MHz EU plugTechnical dataItemParameterOutputWaveformsine, square, triangle and sawtoothOutputamplitude9Vp-p(Noload) OutputImpedance5010 percent DCbias2.5VFrequencyRange0.01Hz-2MHz(UDB1002S)0.01Hz-5MHz(UDB1005S) 0.01Hz-8MHz(UDB1008S) Frequency resolution0.01HzFrequencystability1x10-6Frequency error5x10-6 Distortion of sine Wave0.8 percent (Reference frequency:1kHz) Linearity of triangle wave98 percent (0.01Hz-10kHz) Rise or fall time of square wave100ns Duty cycle range of square wave1 percent -99 percent TTL Frequency Range0.01Hz-2MHz(UDB1002S)0.01Hz-5MHz(UDB1005S) 0.01Hz-8MHz(UDB1008S)Amplitudeandgt 3Vp-pFanoutfactorandgt 20TTL LoadMeasurementCountingrange0-4294967295 Frequency range1Hz-60MHzInputamplitude0.5Vp-p-20Vp-p SweepRangefM1-fM2Amplitude0.5Vp-p-20Vp-pSaveQuantity10LocationM0-M9PowersupplyDC5VDimensionsL x w9.5x6.5cm or 3.7x2.6inWeightHost Approx.255g or 9ozItemIntroductionItemIntroduction11602LCD7Ext.In Input terminal2DC5V Power supply interface8TTL Output3Power switch9Knob4Biasadjustment potentiometer10Button5Amplitudeadjustment potentiometer11CommunicationInterface6Output terminalButton Description:ItemIntroductionandlt Move the cursor left or select adjustment itemsandgt Move the cursor right or select adjustment itemsSELECTThe select button,it can switch between the up and down lines, which "x"indicates that the contents of this line can be modified.OKThe "OK" button can switch the range of frequency when the "x"is in the first line ,and when the"x"is in the first line, the "OK" button can switch the waveform.ADJAdjust the frequencyOFFSAdjust the biasAMPAdjust the rangePackage list:1 x DDS Signal Generator 1 x DC 5V adapter