JDS2900 series Dual-channel Function Signal generator combines multiple functions in one, such as Function Signal Generator, Arbitrary Waveform Generator, Pulse Generator, Sweep, Counter and Frequency Meter, etc. The instrument adopts the Direct Digital Synthesizer(DDS) technology and provides stable, precise, pure and low distortion signals. It's a great testing or measuring instrument for electronics engineers, electronic laboratory, teaching and researching. Notice: Actual item may have LOGO, please contact us if you want to know, please do not bid if you mind. Features: 1.Adopt 320*240 2.4inch TFT color LCD display, simultaneously display parameters of CH1 and CH2. 2.Ability to reproduce patterns of custom waveform. 3.Use soft silicone keys instead of traditional patch keys, high sensitivity and convenient for operation. 4.The maximum sine wave frequency is 60MHz, and the maximum square wave is 25MHz, 266MSa/s sampling rate and 14bits vertical resolution. 5.Completely independent dual channels output, synchronizing operation and adjustable phase difference. 6.60 groups of arbitrary wave storage function, memory depth of each group is 2048*14bits. 7.High frequency accuracy and resolution: frequency accuracy up to 10^(-6) magnitude, total range frequency resolution is 0.01uHz. 8.High amplitude resolution: the minimum amplitude resolution can reach 1mV, amplitude range is 2mVpp~20Vpp. 9.Duty-cycle of each channel can be adjusted independently, the adjusting resolution is 0.1%. 10.Sweep function: linear sweep and logarithmic sweep functions; 0.1s-999.9s; forward, backward and roundtrip sweep directions. 11.With pulse trains burst output function: allow the unit output 1~1048575 arbitrary pulse trains. 12.Measurement functions: can measure signal frequency, cycle, positive/negative pulse width and duty cycle; 1Hz~100MHz frequency range. 13.-9.99V~9.99V DC offset range, offset resolution: 0.01V. 14.With digital signal output function, CMOS output range 0~10V. 15.Storage feature: can store 100 groups of parameters set by the user and extract. 16.Counter function: with DC and AC coupling modes. 17.Arbitrary wave editing function: user can edit arbitrary wave on PC and then download to output from the instrument. 18.Communication function: the PC can be used to control the instrument. 19.With output short-circuit protection: all signal output can work 60s under load short-circuit condition. Frequency specifications: Sine frequency range: 0~60MHz Square frequency range: 0~25 MHz Triangle frequency range: 0~25 MHz Pulse frequency range: 0~6 MHz TTL digital frequency range: 0~6 MHz Arbitrary wave frequency range: 0~6 MHz Square rise: 10nS Pulse width adjustment range: 25nS - 4000S Frequency accuracy: 20 ppm Frequency stability: 1 ppm/3h Waveform specifications: Waveform: Sine, square, triangle, pulse (duty-cycle correction, pulse width adjustable), arbitrary wave, CMOS, DC level, full-wave, pos-ladder, neg-Ladder, noise, exponential rise, exponential fall, tone, cink pulse, lorentz pulse, and 60 kinds user-defined waveforms. Waveform vertical resolution: 14 bits Waveform sampling rate: 266 MSa/s Waveform length: 2048 points Sine - Harmonic suppression: 45dBc(10 MHz) Waveform specifications: Output impedance: 5010%typical Protection: Short circuit 60S will not be damaged DC Offset: Offset adjusting range: Output Amplitude>2V, -9.99V~9.99V; 0.2V Offset resolution: 0.01 V Phase specifications: Phase adjusting range: 0~359.9o Phase resolution: 0.1o TTL/COMS Output: Low level: