This version is outdated by a newer approved version.
This version (31 Jul 2017 05:19) was approved by Dann Kristofer Bautista, Antoniu Miclaus.The Previously approved version (31 Jul 2017 03:02) is available.
This version (31 Jul 2017 05:19) was approved by Dann Kristofer Bautista, Antoniu Miclaus.The Previously approved version (31 Jul 2017 03:02) is available.This is an old revision of the document!
Table of Contents
Signal Generator - Test Case
Initial Setup
In order to proceed through the test case, first of all delete the Scopy *.ini file (saves previous settings made in Scopy tool) from the following path on Windows: C:\Users\your_username\AppData\Roaming\ADI .
Open the Signal Generator instrument. The interface should look like the picture below:
Press multiple times on the “Run” button to check if the instrument works.
Test Title
A. Channel 1 Operation
Click to display ⇲
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| Description | Test Steps | Steps Resources | Expected Results |
|---|---|---|---|
| Testing the constant voltage generator | 1. Turn on channel 1 and view the configuration window by clicking the on/off button and menu button respectively. Choose Constant from the configuration menu |  | The interface should look like in the “Step Resources” picture (left side) |
| Checking increment/decrement value; ±1V | 2. Set the knob to ± 1V interval. No orange dot on the center. |  | The interface should look like in the “Step Resources” picture (left side) |
| 3. Change the voltage value using the up and down arrow |  | The voltage value should change accordingly with an increment or decrement of ±1V from -5V to 5V. The graphical representation should follow accordingly | |
| Checking increment/decrement value; ±100mV | 4. Set the knob to ± 100mV interval. With orange dot on the center. |  | The interface should look like in the “Step Resources” picture (left side) |
| 5. Change the voltage value using the up and down arrow |  | The voltage value should change accordingly with an increment or decrement of ±100mV from -5V to 5V. The graphical representation should follow accordingly | |
| 6. Connect AWG ch1 to scope ch1+ and scope ch1- to gnd |  | ||
| 7. Set the voltage value of the signal generator to 4.5V and set the Oscilloscope’s Volts/div from 1V/div to 5V/div and set the trigger mode to auto. |  | The voltage reading on the oscilloscope should be from 4.4V to 4.6V using the cursor or from the measured data | |
| 8. Set the voltage value of the signal generator to -4.5V and set the Oscilloscope’s Volts/div from 1V/div to 5V/div and set the trigger mode to auto. |  | The voltage reading on the oscilloscope should be from -4.4V to -4.6V using the cursor or from the measured data | |
| Testing different waveform types | 1. Turn on channel 1 and view the configuration window by clicking the on/off button and menu button respectively. Choose Waveform from the configuration menu |  | The interface should look like in the “Step Resources” picture (left side) |
| Checking increment/decrement value of Amplitude and Frequency; Large increment | 2. Set the knob to without the orange dot on the center. |  | The interface should look like in the “Step Resources” picture (left side) |
| 3. Change the Amplitude or Frequency value using the up and down arrow |  | The amplitude value should change accordingly with a high increment/decrement from 1uV to 10V. The frequency value should change accordingly with a high increment/decrement from 1mHz to 20MHz.The graphical representation should follow accordingly | |
| Checking increment/decrement value of Amplitude and Frequency; ±1 unit on least significant digit | 4. Set the knob to with the orange dot on the center. |  | The interface should look like in the “Step Resources” picture (left side) |
| 5. Change the voltage or frequency value using the up and down arrow |  | The Amplitude value should change accordingly with a ±1 unit on the least significant digit from 1uV to 10V. The frequency value should change accordingly with a ±1 unit on the least significant digit from 1mHz to 20MHz.The graphical representation should follow accordingly | |
| Checking increment/decrement value of the Offset and Phase; ±1V and ±1° | 6. Set the knob without the orange dot on the center. |  | The interface should look like in the “Step Resources” picture (left side) |
| 7. Change the Offset voltage or Phase value using the up and down arrow |  | The Offset voltage value should change accordingly with ±1 increment/decrement from -5V to 5V. The phase value should change accordingly with a ±1 increment/decrement from 0° to 360°.The graphical representation should follow accordingly | |
| Checking increment/decrement value of Offset voltage and Phase; ±100mV and ±0.1° | 8. Set the knob to with the orange dot on the center. |  | The interface should look like in the “Step Resources” picture (left side) |
| 9. Change the Offset voltage or Phase value using the up and down arrow |  | The Offset voltage value should change accordingly with ±.1 increment/decrement from -5V to 5V. The phase value should change accordingly with ±.1 increment/decrement from 0° to 360°.The graphical representation should follow accordingly | |
| 10. Connect AWG ch1 to scope ch1+ and scope ch1- to gnd |  | ||
| 11. Set the signal generator’s waveform type: Sinewave, Amplitude 2V, Frequency: 200Hz, offset: 0V and Phase: 0 degrees. Set the Oscilloscope’s Volts/div: 500mV/div, trigger mode: Auto and time base: 5ms. |  | The measurement reading on Oscilloscope should be: Period: 5ms, Frequency: 200Hz, Peak-peak: 1.9V to 2.1V | |
| 12. Set the signal generator’s waveform type: Sinewave, Amplitude 2V, Frequency: 5MHz, offset: 0V and Phase: 0 degrees. Set the Oscilloscope’s Volts/div: 500mV/div, trigger mode: Auto and time base: 200ns |  | The measurement reading on Oscilloscope should be: Period: 200ns, Frequency: 5MHz, Peak-peak: 1.9V to 2.1V | |
| 13. Set the signal generator’s waveform type: Square wave, Amplitude 5V, Frequency: 200Hz, offset: 0V and Phase: 0 degrees. Set the Oscilloscope’s Volts/div: 1V/div, trigger mode: Auto and time base: 5ms |  | Use the Oscilloscope’s cursor to check the peak to peak value of the Square wave generated, do not include the inherent overshoot of the signal. The measurement should be Period: 5.000ms, Frequency: 200Hz, peak to peak value: 4.8V to 5.2V and Min/Max: ±2.5V | |
| 14. Set the signal generator’s waveform type: Square wave, Amplitude 9V, Frequency: 5MHz, offset: 0V and Phase: 0 degrees. Set the Oscilloscope’s Volts/div: 2V/div, trigger mode: Auto and time base: 100ns |  | Oscilloscope’s measurement should be Period: 200ns, Frequency: 5MHz, peak to peak value: 8.8V to 9.2V and Min/Max: ±4.5V | |
| 15. Set the signal generator’s waveform type: Triangle, Amplitude 5V, Frequency: 200Hz, offset: 0V and Phase: 0 degrees. Set the Oscilloscope’s Volts/div: 1V/div, trigger mode: Auto and time base: 2ms |  | Oscilloscope’s measurement should be Period: 5.000ms, Frequency: 200Hz, peak to peak value: 4.8V to 5.2V and Min/Max: ±2.4V to ±2.6V | |
| 16. Set the signal generator’s waveform type: Triangle, Amplitude 8V, Frequency: 2MHz, offset: 0V and Phase: 0 degrees. Set the Oscilloscope’s Volts/div: 1V/div, trigger mode: Auto and time base: 100ns |  | Oscilloscope’s measurement should be Period: 5.000ms, Frequency: 200Hz, peak to peak value: 7.8V to 8.2V and Min/Max: +/- 4.9V | |
| 17. Set the signal generator’s waveform type: Rising Ramp Sawtooth, Amplitude 5V, Frequency: 200Hz, offset: 0V and Phase: 0 degrees. Set the Oscilloscope’s Volts/div: 1V/div, trigger mode: Auto and time base: 2ms |  | Oscilloscope’s measurement should be Period: 5.000ms, Frequency: 200Hz, peak to peak value: 4.8V to 5.2V and Min/Max: ±2.4V to ±2.7V. Use the Oscilloscope’s cursor to disregard the overshoot of the signal | |
| 18. Set the signal generator’s waveform type: Rising Ramp Sawtooth, Amplitude 8V, Frequency: 1MHz, offset: 0V and Phase: 0 degrees. Set the Oscilloscope’s Volts/div: 1V/div, trigger mode: Auto and time base: 1us |  | Oscilloscope’s measurement should be Period: 1.000us, Frequency: 1MHz, peak to peak value: 7.8V to 8.2V and Min/Max: ±3.9V to ±4.1V. Use the Oscilloscope’s cursor to disregard the overshoot of the signal | |
| 19. Set the signal generator’s waveform type: Falling Ramp Sawtooth, Amplitude 5V, Frequency: 200Hz, offset: 0V and Phase: 0 degrees. Set the Oscilloscope’s Volts/div: 1V/div, trigger mode: Auto and time base: 2ms |  | Oscilloscope’s measurement should be Period: 5.000ms, Frequency: 200Hz, peak to peak value: 4.8V to 5.2V and Min/Max: ±2.4V to ±2.6V | |
| 20. Set the signal generator’s waveform type: Falling Ramp Sawtooth, Amplitude 8V, Frequency: 1MHz, offset: 0V and Phase: 0 degrees. Set the Oscilloscope’s Volts/div: 1V/div, trigger mode: Auto and time base: 1us |  | Oscilloscope’s measurement should be Period: 1.000us, Frequency: 1MHz, peak to peak value: 7.8V to 8.2V and Min/Max: ±3.9V to ±4.1V. Use the Oscilloscope’s cursor to disregard the overshoot of the signal |
B. Channel 2 Operation
Click to display ⇲
Click to hide ⇱
| Description | Test Steps | Steps Resources | Expected Results |
|---|
| Testing the constant voltage generator | 1. Turn on channel 2 and view the configuration window by clicking the on/off button and menu button respectively. Choose Constant from the configuration menu |  | The interface should look like in the “Step Resources” picture (left side) |
| Checking increment/decrement value; ±1V | 2. Set the knob to ± 1V interval. No orange dot on the center. | | The interface should look like in the “Step Resources” picture (left side) |
| 3. Change the voltage value using the up and down arrow | | The voltage value should change accordingly with an increment or decrement of ±1V from -5V to 5V. The graphical representation should follow accordingly | |
| Checking increment/decrement value; ±100mV | 4. Set the knob to ± 100mV interval. With orange dot on the center. | | The interface should look like in the “Step Resources” picture (left side) |
| 5. Change the voltage value using the up and down arrow | | The voltage value should change accordingly with an increment or decrement of ±100mV from -5V to 5V. The graphical representation should follow accordingly | |
| 6. Connect AWG ch2 to scope ch2+ and scope ch2- to gnd |  | ||
| 7. Set the voltage value of the signal generator to 4.5V and set the Oscilloscope’s Volts/div from 1V/div to 5V/div and set the trigger mode to auto. |  | The voltage reading on the oscilloscope should be from 4.4V to 4.6V using the cursor or from the measured data | |
| 8. Set the voltage value of the signal generator to -4.5V and set the Oscilloscope’s Volts/div from 1V/div to 5V/div and set the trigger mode to auto. |  | The voltage reading on the oscilloscope should be from -4.4V to -4.6V using the cursor or from the measured data | |
| Testing different waveform types | 1. Turn on channel 2 and view the configuration window by clicking the on/off button and menu button respectively. Choose Waveform from the configuration menu |  | The interface should look like in the “Step Resources” picture (left side) |
| Checking increment/decrement value of Amplitude and Frequency; Large increment | 2. Set the knob to without the orange dot on the center. | | The interface should look like in the “Step Resources” picture (left side) |
| 3. Change the Amplitude or Frequency value using the up and down arrow |  | The amplitude value should change accordingly with a high increment/decrement from 1uV to 10V. The frequency value should change accordingly with a high increment/decrement from 1mHz to 20MHz.The graphical representation should follow accordingly | |
| Checking increment/decrement value of Amplitude and Frequency; ±1 unit on least significant digit | 4. Set the knob to with the orange dot on the center. | | The interface should look like in the “Step Resources” picture (left side) |
| 5. Change the voltage or frequency value using the up and down arrow |  | The Amplitude value should change accordingly with a ±1 unit on the least significant digit from 1uV to 10V. The frequency value should change accordingly with a ±1 unit on the least significant digit from 1mHz to 20MHz.The graphical representation should follow accordingly | |
| Checking increment/decrement value of the Offset and Phase; ±1V and ±1° | 6. Set the knob without the orange dot on the center. | | The interface should look like in the “Step Resources” picture (left side) |
| 7. Change the Offset voltage or Phase value using the up and down arrow |  | The Offset voltage value should change accordingly with ±1 increment/decrement from -5V to 5V. The phase value should change accordingly with a ±1 increment/decrement from 0° to 360°.The graphical representation should follow accordingly | |
| Checking increment/decrement value of Offset voltage and Phase; ±100mV and ±0.1° | 8. Set the knob to with the orange dot on the center. | | The interface should look like in the “Step Resources” picture (left side) |
| 9. Change the Offset voltage or Phase value using the up and down arrow |  | The Offset voltage value should change accordingly with ±.1 increment/decrement from -5V to 5V. The phase value should change accordingly with ±.1 increment/decrement from 0° to 360°.The graphical representation should follow accordingly | |
| 10. Connect AWG ch2 to scope ch2+ and scope ch2- to gnd |  | ||
| 11. Set the signal generator’s waveform type: Sinewave, Amplitude 2V, Frequency: 200Hz, offset: 0V and Phase: 0 degrees. Set the Oscilloscope’s Volts/div: 500mV/div, trigger mode: Auto and time base: 5ms. |  | The measurement reading on Oscilloscope should be: Period: 5ms, Frequency: 200Hz, Peak-peak: 1.9V to 2.1V | |
| 12. Set the signal generator’s waveform type: Sinewave, Amplitude 2V, Frequency: 5MHz, offset: 0V and Phase: 0 degrees. Set the Oscilloscope’s Volts/div: 500mV/div, trigger mode: Auto and time base: 200ns |  | The measurement reading on Oscilloscope should be: Period: 200ns, Frequency: 5MHz, Peak-peak: 1.9V to 2.1V | |
| 13. Set the signal generator’s waveform type: Square wave, Amplitude 5V, Frequency: 200Hz, offset: 0V and Phase: 0 degrees. Set the Oscilloscope’s Volts/div: 1V/div, trigger mode: Auto and time base: 10ms |  | Use the Oscilloscope’s cursor to check the peak to peak value of the Square wave generated, do not include the inherent overshoot of the signal. The measurement should be Period: 5.000ms, Frequency: 200Hz, peak to peak value: 4.8V to 5.2V and Min/Max: ±2.5V | |
| 14. Set the signal generator’s waveform type: Square wave, Amplitude 9V, Frequency: 5MHz, offset: 0V and Phase: 0 degrees. Set the Oscilloscope’s Volts/div: 2V/div, trigger mode: Auto and time base: 100ns |  | Oscilloscope’s measurement should be Period: 200ns, Frequency: 5MHz, peak to peak value: 8.8V to 9.2V and Min/Max: ±4.5V | |
| 15. Set the signal generator’s waveform type: Triangle, Amplitude 5V, Frequency: 200Hz, offset: 0V and Phase: 0 degrees. Set the Oscilloscope’s Volts/div: 1V/div, trigger mode: Auto and time base: 2ms |  | Oscilloscope’s measurement should be Period: 5.000ms, Frequency: 200Hz, peak to peak value: 4.8V to 5.2V and Min/Max: ±2.4V to ±2.6V | |
| 16. Set the signal generator’s waveform type: Triangle, Amplitude 8V, Frequency: 2MHz, offset: 0V and Phase: 0 degrees. Set the Oscilloscope’s Volts/div: 1V/div, trigger mode: Auto and time base: 100ns |  | Oscilloscope’s measurement should be Period: 5.000ms, Frequency: 200Hz, peak to peak value: 7.8V to 8.2V and Min/Max: +/- 4.9V | |
| 17. Set the signal generator’s waveform type: Rising Ramp Sawtooth, Amplitude 5V, Frequency: 200Hz, offset: 0V and Phase: 0 degrees. Set the Oscilloscope’s Volts/div: 1V/div, trigger mode: Auto and time base: 2ms |  | Oscilloscope’s measurement should be Period: 5.000ms, Frequency: 200Hz, peak to peak value: 4.8V to 5.2V and Min/Max: ±2.4V to ±2.7V. Use the Oscilloscope’s cursor to disregard the overshoot of the signal | |
| 18. Set the signal generator’s waveform type: Rising Ramp Sawtooth, Amplitude 8V, Frequency: 1MHz, offset: 0V and Phase: 0 degrees. Set the Oscilloscope’s Volts/div: 1V/div, trigger mode: Auto and time base: 1us |  | Oscilloscope’s measurement should be Period: 1.000us, Frequency: 1MHz, peak to peak value: 7.8V to 8.2V and Min/Max: ±3.9V to ±4.1V. Use the Oscilloscope’s cursor to disregard the overshoot of the signal | |
| 19. Set the signal generator’s waveform type: Falling Ramp Sawtooth, Amplitude 5V, Frequency: 200Hz, offset: 0V and Phase: 0 degrees. Set the Oscilloscope’s Volts/div: 1V/div, trigger mode: Auto and time base: 2ms |  | Oscilloscope’s measurement should be Period: 5.000ms, Frequency: 200Hz, peak to peak value: 4.8V to 5.2V and Min/Max: ±2.4V to ±2.6V | |
| 20. Set the signal generator’s waveform type: Falling Ramp Sawtooth, Amplitude 8V, Frequency: 1MHz, offset: 0V and Phase: 0 degrees. Set the Oscilloscope’s Volts/div: 1V/div, trigger mode: Auto and time base: 1us |  | Oscilloscope’s measurement should be Period: 1.000us, Frequency: 1MHz, peak to peak value: 7.8V to 8.2V and Min/Max: ±3.9V to ±4.1V. Use the Oscilloscope’s cursor to disregard the overshoot of the signal |
C. Channel 1 and Channel 2 Operation
Click to display ⇲
Click to hide ⇱
| Description | Test Steps | Steps Resources | Expected Results |
|---|---|---|---|
| Test constant voltage generator for both channels simultaneously | 1. Turn on channels 1 and 2 and view the configuration window by clicking the on/off button then the menu button. Choose Constant from the configuration menu for both channels |  | The interface should look like in the “Step Resources” picture (left side) |
| 2. Connect AWG ch1 to scope ch1+ and scope ch1- to gnd. Connect AWG ch2 to scope ch2+ and scope ch2- to gnd |  | ||
| 3. Set signal generator’s channel 1 to 4.5V and channel 2 to -4.0V |   | Open voltmeter instrument in DC mode. Channel 1 should have a voltage of 4.4V to 4.6V and channel 2 should have a voltage of -4.1V to -3.9V | |
| 4. Set signal generator’s channel 1 to -4.5V and channel 2 to 4.0V |   | Open voltmeter instrument in DC mode. Channel 1 should have a voltage of -4.4V to -4.6V and channel 2 should have a voltage of 4.1V to 3.9V | |
| Test different waveforms for both channels simultaneously | 1. Turn on channels 1 and 2 and view the configuration window by clicking the on/off button then the menu button. Choose waveform from the configuration menu for both channels |  | The interface should look like in the “Step Resources” picture (left side) |
| 2. Connect AWG ch1 to scope ch1+ and scope ch1- to gnd. Connect AWG ch2 to scope ch2+ and scope ch2- to gnd |  | ||
| Test phase configuration | 3. Set signal generator channels 1 and 2 to either Sine or Triangle waveform type, they should be the same. For channel 1 set Amplitude: 5V, Frequency: 5kHz, offset: 0V and phase: 0°. Set signal generator’s channel 2 to Amplitude: 5V, Frequency: 5kHz, offset: 0V and phase: 180°. Set Oscilloscope’s both channel to Time Base: 200us, Volts/Div: 1V |  | The interface should look like in the “Step Resources” picture (left side) |
| 4. Run Oscilloscope, add channel with an input function: f(t) = sin(t1) + sin(t0). |  | The new plot’s value should be very close to 0V ranging around -0.2V to 0.2V | |
| 5. Set signal generator channels 1 and 2 to either Sine or Triangle waveform type, they should be the same. For channel 1 set Amplitude: 5V, Frequency: 5kHz, offset: 0V and phase: 0°. Set signal generator’s channel 2 to Amplitude: 5V, Frequency: 5kHz, offset: 0V and phase: 360°. Set Oscilloscope’s both channel to Time Base: 200us, Volts/Div: 1V |  | The interface should look like in the “Step Resources” picture (left side) | |
| 6. Run Oscilloscope, add channel with an input function: f(t) = sin(t1) - sin(t0). |  | The new plot’s value should be very close to 0V ranging around -0.2V to 0.2V |
Test Results will be recorded in the following document: Signal Generator Test Case
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university/tools/m2k/scopy/test-cases/signal-generator.1501471046.txt.gz · Last modified: 31 Jul 2017 05:17 by Dann Kristofer Bautista