Feature: 1. Adopt 320x240 2.4in TFT color LCD display, simultaneously display parameters of CH1 and CH2. 2. Use soft silicone keys instead of traditional patch keys, high sensitivity and convenient for operation. 3. Maximum output frequency(sine waves) up to 15MHz, 266MSa/s sampling rate and 14bits vertical resolution. 4. Completely independent dual channels output, synchronizing operation and adjustable phase difference. 5. 60 groups of arbitrary waves storage function, memory depth of each group is 2048x14bits, can call and control the custom waveform, draw arbitrary waveform. 6. High frequency accuracy and resolution: frequency accuracy up to 10^(‑6) magnitude, total range frequency resolution is 0.01uHz. 7. High amplitude resolution: the minimum amplitude resolution reaches 1mV, amplitude range is 2mVpp~20Vpp. 8. Duty‑cycle of each channel can be adjusted independently, the adjusting resolution is 0.1%. 9. Scanning features: linear sweep and logarithmic sweep functions; 0.1s‑999.9s sweep time; sorward, backward and roundtrip sweep directions. 10. Measurement functions: can measure signal frequency, cycle, positive/negative pulse width and duty cycle; 1Hz~100MHz frequency range. 11. With pulse trains burst output function, allow the unit output 1~1048575 arbitrary pulse trains. 12. With digital signal output function, CMOS output range 0~10V. Counter function: with DC and AC coupling modes. Communication function: the PC can be used to control the instrument. 13. With output short‑circuit protection: all signal output can work 60s under load short‑circuit condition. 14. Storage feature: can store 100 groups of parameters set by the user and extract at any time. 15. Arbitrary waves editing function: user can edit arbitrary waves on PC and then download to output from the instrument. Specification: Condition: 100% Brand New Item Type: Signal Generator Material: Plastic Color: As shown in the picture Model JDS6600-15M Sine frequency range 0~15MHz Square frequency range 0~15MHz Triangular frequency range 0~15MHz Pulse frequency range 0~6MHz TTL digital frequency range 0~6MHz Arbitrary waves frequency range 0~6MHz Pulse width adjustment range 100nS-4000S Square waves rise time ≤25nS Minimum frequency resolution 0.01µHz(0.00000001Hz) Frequency accuracy ±20ppm Frequency stability ±1ppm/3h Waveform Characteristics Waveform type Sine, Square, Triangular, Pulse (duty-cycle correction,Pulse width and cycle time adjustable), Arbitrary waves, CMOS, DC level, Half-waves, Full-wave, Pos-Ladder, Neg-Ladder, Noise, Exponential Rise, Exponential Fall, Tones, Cink pulse, Lorentz Pulse, and 60 kinds user defined waveform. Waveform length 2048 points Waveform sample rate 266MSa/s Waveform vertical resolution 14 bits Sine Harmonic suppression ≥45dBc(