CH A and CH B analog inputs
For a two-channel test, connect both probe returns to the same common return in the device under test.
The DS212 is a rechargeable pocket oscilloscope with two analog inputs and a built-in signal generator.
Channel B signal on the MCX center contact.
| Pin | Signal | Direction | Function |
|---|---|---|---|
| CH A center | CHA Analog input | Analog input | Channel A signal on the MCX center contact. |
| CH A shell | CHA_GND Analog return | Analog return | Channel A probe return on the MCX shell. |
| CH B center | CHB Analog input | Analog input | Channel B signal on the MCX center contact. |
| CH B shell | CHB_GND Analog return | Analog return | Channel B probe return on the MCX shell. |
| OUT center | GEN_OUT Signal generator output | Signal generator output | Connect the generator to an input for a functional loopback check. |
| OUT shell | GEN_GND Generator return | Generator return | Outer coaxial contact for the generator output return. |
| USB | USB Charging and data | Charging and data | Micro-USB port for battery charging and access to the internal disk. |
For a two-channel test, connect both probe returns to the same common return in the device under test.
Set the waveform and frequency in the output menu.
Disconnect USB for the battery-powered measurement example.
| Parameter | Limit | Conditions and source |
|---|---|---|
| Analog input impedance1 MΩ | 1 MΩ | Per analog channel. e-Design DS212 User Manual Rev. 1.1, Device Layout, Quick Start Guide and Calibration. |
| Analog bandwidth1 MHz | 1 MHz | Manufacturer’s specified analog bandwidth. e-Design DS212 User Manual Rev. 1.1, Device Layout, Quick Start Guide and Calibration. |
| Maximum sample rate10 MSa/s | 10 MSa/s | Manufacturer’s maximum. e-Design DS212 User Manual Rev. 1.1, Device Layout, Quick Start Guide and Calibration. |
| ×1 input limit±40 V specified | ±40 V specified | The manual instructs users to stay below 40 V for DC input. The loopback example is below 5 V. e-Design DS212 User Manual Rev. 1.1, Device Layout, Quick Start Guide and Calibration. |
| CouplingAC or DC | AC or DC | Choose DC to display a waveform’s offset. e-Design DS212 User Manual Rev. 1.1, Device Layout, Quick Start Guide and Calibration. |
The map covers the external analog sockets and the USB port on the DS212 in the manufacturer’s Rev. 1.1 manual. USB is shown at connector level.