JDS2800 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. Features: 1. Adopt 320*240 2.4" TFT color LCD display, simultaneously display parameters of CH1 and CH2; Ability to reproduce patterns of custom waveform; 2. Use soft silicone keys instead of traditional patch keys, high sensitivity and convenient for operation; 3. Max. output frequency(sine wave) up to 15MHz/40MHz/60MHz(optional), 266MSa/s sampling rate and 14bits vertical resolution 4. Completely independent dual channels output, synchronizing operation and adjustable phase difference 5. Great improvement for square wave performance, square frequency range up to 25MHz with no distortion 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 0Vpp~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 sweep time, 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 at any time Counter function: with DC and AC coupling modes 16.Arbitrary wave editing function: user can edit arbitrary wave on PC and then download to output from the instrument 17.Communication function: the PC can be used to control the instrument 18. With output short-circuit protection: all signal output can work 60s under load short-circuit condition Specification: Voltage: AC100-240V Type: 60MHz EU plug JDS2800-15MHz Frequency specifications: Sine frequency range: 0~15MHz Square frequency range:0~15 MHz Triangle frequency range: 0~15MHz Pulse frequency range: 0~6 MHz TTL digital frequency range: 0~6 MHz Arbitrary wave frequency range: 0~6 MHz Square rise time: 25nS Pulse width adjustment range: 100nS - 4000S Frequency accuracy: 20 ppm Frequency stability: 1 ppm/3h JDS2800-40MHz Frequency specifications: Sine frequency range: 0~40MHz 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 time:10nS Pulse width adjustment range: 40nS-4000S Frequency accuracy:20 ppm Frequency stability:1 ppm/3h JDS2800-60MHz 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 time:10nS Pulse width adjustment range: 25nS-4000S Frequency accuracy:20 ppm Frequency stability:1 ppm/3h The following technical indicators are the same for all 3 models Waveform specifications: Waveform: Sine, square, triangle, pulse (duty-cycle correction, pulse width and cycle time adjustable), arbitrary wave, CMOS, DC level, half-wave, full-wave, pos-ladder, neg-Ladder, noise, exponential rise, exponential fall, tone, cink pulse, lorentz pulse, and 60 kinds user-defined wavefo