Check the listing for details. 3 MHz Sweep Function Generator, Six Waveform Functions. Condition: New. Listed at 189.99 USD. •Six waveform functions: sine, triangle, square, ramp +/- pulse. •0.5Hz ~ 3MHz frequency range. •Linear/Log sweep. Sweep rate 10mS~5S. •Amplitude 20V p-p/open, 10V p-p/50 ohm load. •-20 dB attenuator For applications where no display is needed, this model offers exceptional value and versatility including sweep mode and six waveform functions. 1. GENERAL SPECIFICATIONS: Frequency: 0.5Hz ~ 3MHz in 6 steps, controlled by rotary switch. Output Waveform: Sine, Square, Triangle, Ramp, Positive Pulse and Negative Pulse; 6 waveforms total. Stability: 0.1 % - 15 minutes after power-on. 0.2% - 24 hrs after power-on. DC Offset: Continuous Adjustment, 10V at no-load or 5V at 50 load. Limits of Operation: 0 °C ~ 40 °C, 10~80%R.H. Storage Environment: -20°C ~ 70°C , 0~90%R.H. Power source: AC 115V (±10%) 50/60HZ, FUSE: 600mA AC 230V (±10%) 50/60HZ, FUSE: 300mA Power Consumption: 25W Dimensions: 27.5 x 9.0 x.30.0 cm Weight: 2.5Kg Net. Accessory: Power cord, manual. 2. RAMP WAVE: Frequency: 0.5Hz - 2.5MHz Symmetry: 80% (rise wave) to 20% (fall wave), < 5%, 1Hz ~ 100KHz. Rise Wave Linearity: < 2%, 1Hz - 100KHz. 3. TRIANGLE WAVE: Frequency: 0.5Hz - 3MHz. Symmetry: 50% (rise wave) to 50% (fall wave), < 2%, 1Hz ~ 100KHz. Linearity: < 1%, 1Hz ~ 100KHz. 4. SINE WAVE: Frequency: 0.5Hz ~ 3MHz. Distortion: < 2%, 1Hz ~ 100KHz. Hannonic Ratio: < 30dB, 100KHz ~ 3MHz. Frequency Response: < 0.1dB up to 100KHz. < 1dB 100KHz to 3MHz. 5. SQUARE WAVE: Frequency: 0.5Hz ~ 3MHz. Symmetry: 50% (positive half) to 50% (negative half), < 2%, 1Hz ~ 100KHz. Rise Time: < 60ns. 6. POSITIVE PULSE: Frequency: 0.5Hz ~ 2.5MHz. Width: 0.4sec ~ 100ns continuous adjustment. Symmetry: 20% to 80%, < 5%, 1Hz ~ 100KHz. Rise Time: < 60ns. 7. NEGATIVE PULSE: Frequency: 0.5Hz ~ 2.5MHz. Width: 0.4sec ~ 100ns. Symmetry: 80% to 20%, < 5%, 1Hz ~ 100KHz. Fall Time: < 60ns. 8. MAIN OUTPUT: Output Impedance: 500, < 2% Accuracy. Max. output: 20 Vp-p (No load), ±1V 10 Vp-p (50Ω load), ±0.5V Min. output: 0.1Vp-p (No load) and 0.05V (50Ω load) Attenuator: one -20dB switch, < 2% Accuracy. 9. SYNCHRONOUS OUTPUT: Output Impedance: 50Ω, < 2% Accuracy. Output Level: TTL level, > 3Vp-p fixed amplitude. Fanout: > 20. Rise Time: < 30ns. 10. SWEEP SYNCHRONOUS OUTPUT: Output Impedance: 1KHz, < 20%. Output Waveform: Linear or Log Sweep Ramp Wave. Output Amplitude: 10Vp-p (No load) or 5Vp-p (1KΩ load) Output Frequency: Continuous adjustment, 0.2Hz ~ 100Hz. 11. SWEEP GENERATOR: Sweep Form: Linear or Log switchable. Sweep Speed: 5sec ~ 10ms, continuous adjustment. Sweep Width: 1:1 ~ 1:100