Upper Dublin Police Department is relocating to 803 Loch Alsh Avenue on Friday, December 12.

  •  Non-emergency police services will remain at 520 Virginia Drive until 6:00 p.m. on December 12.
  • After 6:00 p.m., please visit 803 Loch Alsh Avenue for all non-emergency police needs.

A map of the entrance and parking for police services is available here.

Oscilloscopes: How To Use Them, How They Work 🎯 Editor's Choice

: Attach the probe to a channel (e.g., Channel 1).

Modern digital scopes from manufacturers like Keysight and Tektronix can automatically calculate: Peak-to-Peak Voltage ( Vppcap V sub p p end-sub Oscilloscopes: how to use them, how they work

: Connect the probe tip to the scope’s built-in CAL or square wave terminal. Adjust the probe’s compensation screw until the square wave is perfectly flat with sharp corners. : Attach the probe to a channel (e

: Controls the amplitude (voltage) of the signal. It uses an attenuator or amplifier to scale the incoming voltage so it fits properly on the vertical axis of the display. Oscilloscopes: how to use them, how they work

: Governs the time base. It determines the rate at which the signal is drawn across the screen, allowing you to see events occurring over nanoseconds or seconds.