Do I need a differential probe?
If you need to measure the voltage across different components in a circuit where one or more of these components are not connnected to ground, you need to make differential measurements and for this you’ll need a differential probe such as PRB-06 (shown here).
What does a differential probe do?
Differential probes measure the voltage difference between any two input points in contrast to a single- ended probe, which measures input voltage relative to ground. Differential probes are especially popular for measuring high-frequency signals or signals where neither are referenced to ground.
Why is a 10x probe used?
Ten – X probes are the “standard” probes supplied with most scopes. They reduce signal amplitude by a factor of ten. Usually by incorporating a 9 megaohm resistor in the probe tip to act as a voltage divider. This added attenuation makes 10x probes good for high-voltage measurements.
How do you select probes for O scope?
As a rule of thumb, your probes should be at least three to five times faster than the fastest signal you want to see. 1. A probe at work on a chip. Probes have different (sometimes switchable) attenuation ratios that change how the signals are fed into your oscilloscope.
Are differential probes active?
Active probes offer the benefits of increased bandwidth and lower probe loading. Differential probes add the value of ground isolation and the reduction of common mode signals.
When should I use active probe?
If your scope has more than 500 MHz of bandwidth, you are probably using an active probe—or should be. Despite its high price, the active probe is the tool of choice when you need high-bandwidth performance.
What is the difference between x1 and X10 probe?
Use x1 probe to measure very low amplitude signals in low impedance circuits. Use 10x to measure everything else, especially if the circuit being measured is higher impedance.
What does 10X probe mean?
A 10X oscilloscope refers to a probe with an integrated attenuator that delivers an attenuation of 10. This allows the circuits’ impedance to be enhanced by a factor of 10. While the 10X probe is attenuating the signal, it can also reduce the signal entering the oscilloscope.
What is the difference between 1X and 10X probe?
A 1X probe transfers the voltage “as is”. If you touch a 1 volt signal, the scope input gets a 1V signal. A 10X probe attenuates the signal by 10x. If you touch a 1 volt signal, the scope input gets a 0.1V signal.
What is a high impedance probe?
High-impedance (Hi-Z) passive probes are the most commonly used oscilloscope probes and offer attenuation factors of 10:1 (X10) and/or 100:1 (X100), a typical maximum input voltage of 600 V, and rated bandwidths of up to about 500 MHz. But be wary at bandwidths above 50 MHz.
What is a FET probe?
Active FET probes for TekProbe™ BNC interface The P6205 is designed with FET devices for its inputs, which allows very high input resistance values and low input capacitances. Both Active FET probes provide a wide linear dynamic input range for accessing most digital device families using today’s logic voltage levels.
How do I use the NI 5191 differential active voltage probe?
Open a service request 800 MHz, ±30 V, 10X Attenuation, Differential Active Oscilloscope Probe —The NI-5191 is a differential, active voltage probe that offers 800 MHz of input bandwidth with a 10:1 attenuation ratio. You can use it with oscilloscopes that provide 50 Ω input impedance.
What is the best probe for oscilloscope?
800 MHz, ±30 V, 10X Attenuation, Differential Active Oscilloscope Probe —The NI-5191 is a differential, active voltage probe that offers 800 MHz of input bandwidth with a 10:1 attenuation ratio. You can use it with oscilloscopes that provide 50 Ω input impedance.
What is the NI GPIB device support program?
Provides support for NI data acquisition and signal conditioning devices. Provides support for Ethernet, GPIB, serial, USB, and other types of instruments. Provides support for NI GPIB controllers and NI embedded controllers with GPIB ports. You can request repair, schedule calibration, or get technical support.