Owner manual
Table Of Contents
- Parts List
- Specifications
- Basic Functions
- How You Will Use the Model 725
- Installing timerPRO Software
- Setting Up the Model 725
- Field Upgradeable Software
- Getting Help
- Back Panel Inputs and Outputs
- Front Panel Controls
- Main Screen
- General Settings
- Channel Properties Screen
- Quiescent States
- Logic
- Timing Modes
- “Apply” versus “Program All Channels”
- Fixed Output Mode
- Passive Mode (Output = Input)
- Clocked Pulse Stream Mode
- Delayed Pulse After Trigger Mode
- Important Delay Timing Considerations
- Validated Trigger Input Mode (Noise Suppression)
- Timer Mode
- Dynamically-Delayed Pulse Mode
- Toggled Output Mode
- Dynamic Delay Compensation Mode
- Storing and Recalling Experiment Files
- Front Panel Controls and Indicators
- Selecting a Channel from the Front Panel
- Performing a Front Panel Function
- Store/Recall Settings Profiles
29
Clocked Pulse Stream Mode
In clock mode, the output of the channel is a steady stream of pulses. You set the pulse duration
and delay between pulses. A clock channel’s input does not affect its output.
The front panel LED for a clock channel will glow green when the output is low or red when the
output is high.
NOTE: For a high-frequency clock the LED will alternate between red and green so
quickly that it will appear as a continuous pale green, yellow or orange light.
As mentioned earlier, the Model 725 can operate in two internal clock modes: 100 MHz high
resolution and 100/64 MHz low resolution (see General Settings: Time Base Settings). In high