Model 525 | Six Output Channels Portable Digital Delay/Pulse Generator

The Model 525 represents a revolutionary new portable pulse generator that offers full function in a compact and cost-effective package. At about a size of a small book or external hard drive, 7.125“ x 5.1“ x 1.5”, this is one of the most compact units available, yet you will not be disappointed in its performance, features, or programmability. Finally, a low-cost pulse generator that does not sacrifice performance or function!

The Model 525's is powered by a standard USB charger, through a laptop USB port, or a portable battery pack so it can be used on the go, great of for engineers who are always on the move. Model 525 can be controlled using its Graphical User Interface which eliminates the bulky front panel components and reduces the potential for mechanical problems. The timing and triggering flexibility is outstanding, with 20MHz rep rates, 4ns timing resolution, <50ps RMS jitter, and internal or external triggering options. Outputs can be selected for each channel, giving users the ability to trigger, gate, or pulse various devices in a research project with different requirements. Single Pulse, Continuous, Burst, Duty Cycle, and Cycle Counting are all selectable options for each channel. Wide pulses are also possible, with a width range of 10ns – 1000s and a delay from trigger range up to 1000s. Trigger externally with signals up to 30 V peak and widths as low as 20ns on the rising or falling edge.

Model 525 | Six Output Channels Portable Digital Delay/Pulse Generator


FeaturesService Advantage
Number of Channels: 6 Independent OutputsResolution: 4 ns Width / Delay Accuracy: 10 ns + 0.0001 x settingsChannel to Channel Jitter: < 50 ps RMSOutput Pulse Amplitude: TTLPower Source: Standard USBIn-Stock Same Day ShippingNo-Risk Demo (14 Days)Warranty: Full 2 Year WarrantyIntegration Assistance, Full Customer Support (Phone or Web-Based)


Internal Rate Generator
Frequency (Period) Range0.001Hz to 20MHz (1000s to 50ns)
Resolution & Accuracy4 ns
Jitter< 50 ps RMS
Burst / Duty Cycle Mode1 to 1,000,000 pulses
Timebase100 MHz, low jitter PLL
Oscillator50 MHz, 50 ppm Crystal Oscillator, optional 1ppm clock
Pulse Control ModesInternal Rate Generator, External Trigger / Gate
Systems Output ModesSingle, Continuous, Burst, Duty Cycle, Cycle Counts
Pulse & Period Counter32 Bit
Synchronized Update ModeUpdates widths and delays on command
Pulse Delay Generation
Width / Delay Resolution4 ns
Width Range10 ns – 1000 s
Width Accuracy10 ns + 0.0001 x (width + delay settings)
Delay Range±1000 s
Delay Accuracy5 ns + (0.0001 x delay setting)
MultiplexerAny or all channels may be combined to any or all outputs. 
Channel Output ModesSingle Shot, Normal, Burst, Duty Cycle
Channel Control ModesInternally triggered or externally gated. Each channel may be independently set to any of the modes.
Jitter (Channel to Channel)< 50 ps RMS

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