With Micsig’s exclusive SigOFIT™ optical isolation technology, the SigOFIT probe delivers 160dB CMRR at DC, over 100dB at 500MHz, and able to test differential mode signals from ±1.25V to ±2500V when using with attenuators, present true signal you’ve never seen. It’s the most ideal method for isolated probe technology.
Optical-fiber Isolated Probe
Key Features
Up to 1 GHz bandwidth
160 dB CMRR at DC
Over 100 dB CMRR at 500 MHz
60 kVpk Common mode voltage range
Up to ±2500V differential input voltage range
1% DC gain accuracy
Autozero in less than 1 second
Support all BNC-type oscilloscopes
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Present True Signal
SigOFIT probe has highest common mode rejection ratio, or CMRR, up to 112dB at 100MHz, over 100dB at 500MHz. It’s the ultimate referee of signal fidelity measured by other voltage probes.
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Highest Accuracy
SigOFIT probe has excellent amplitude-frequency characteristics, and the DC gain accuracy is better than 1%. The maximum noise floor within the range is 1.41mVrms, and zero drift is less than 500μV after warm-up.
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Best Probe for Third-Gen Semiconductor
SiC & GaN device can switch high voltages in a few nanoseconds, the signal may have high-energy high-frequency harmonics.
Even at the highest bandwidth, the SigOFIT probe still have nearly 100dB CMRR, perfectly suppressed the oscillation caused by high-frequency common-mode noise, no redundant components. It’s the best choice for 3rd-gen semiconductor test & measurement.
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Safe to Test GaN
The test leads of SigOFIT probe are short and with coaxial cable transmission, has less than 3pF input capacitance, very safe to test GaN.
* When the working parameters of the device are already in the critical state of explosive, there will be nearly 3pF more capacitance added when connected to the DUT, safety hence is not guaranteed.
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Wide Measurement Range
Unlike traditional differential probes can only test high-voltage signals, SigOFIT probe can be used with different attenuator tips to test differential mode signals from ±1.25V to ±2500V, achieve full-range output and very high signal-to-noise ratio.
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Efficient & Affordable
Fastest response, can be tested immediately after power-on; AutoZero completed in less than 1 second, ensures accurate signal output in real time.
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Applications
* Design of motor drive, power converter, electronic ballast
* Design of GaN, SiC, IGBT Half/Full bridge devices
* Design of inverter, UPS and switching power supply
* Safety test for high voltage, high bandwidth applications
* Power device evaluation
* Current shunt measurements
* EMI & ESD troubleshooting
* Floating measurements
| Model & Ordering Name | MOIP01P MOIP02P MOIP03P MOIP05P MOIP08P MOIP10P
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| Bandwidth | MOIP01P: 100MHz MOIP02P: 200MHz MOIP03P: 350MHz MOIP05P: 500MHz MOIP08P: 800MHz MOIP10P: 1GHz |
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| Rise time | MOIP01P: ≤3.5ns MOIP02P: ≤1.75ns MOIP03P: ≤1ns MOIP05P: ≤700ps MOIP08P: ≤438ps MOIP10P: ≤350ps |
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| Output Voltage | MOIP01P/MOIP02P: ±2.5V MOIP03P/MOIP05P/MOIP08P/MOIP10P: ±1.25V |
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| Differential Voltage Range | MOIP01P/MOIP02P: 1X：±2.5V MOIP03P/MOIP05P/MOIP08P/MOIP10P: 1X：±1.25V |
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| System noise (rms) | <1.41mVrms |
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| SMA Input Impedance | 1MΩ || 10pF |
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| Propagation delay | 15.42ns (2m) |
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| Power supply | USB Type-C, DC: 5V |
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| DC Gain accuracy | 1% |
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| Common mode voltage range | 60kVpk |
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| Fiber cable length | 2m (Customizable) |
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| Temperature | 0°C to 40°C (operating), -20°C to +70°C (non-operating) |
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| Humidity | 5% to 85% RH (non-condensing), 75% RH above 30°C, 45% RH above 40°C |
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| Altitude | 3000 m (operating), 12,000 m (non-operating) |
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| Usage | Indoor Use Only |
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| Package size | 37*11*32.5 cm |
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| Package GW | 2.2KG |
Main Machine
| Module No. | Item | Description |
| MOIP01P | Optical-fiber Isolated Probe | SigOFIT 100MHz, 2-meter fiber cable |
| MOIP02P | Optical-fiber Isolated Probe | SigOFIT 200MHz, 2-meter fiber cable |
| MOIP03P | Optical-fiber Isolated Probe | SigOFIT 350MHz, 2-meter fiber cable |
| MOIP05P | Optical-fiber Isolated Probe | SigOFIT 500MHz, 2-meter fiber cable |
| MOIP08P | Optical-fiber Isolated Probe | SigOFIT 800MHz, 2-meter fiber cable |
| MOIP10P | Optical-fiber Isolated Probe | SigOFIT 1GHz, 2-meter fiber cable |
Standard accessories
| Module No. | Description | |
| MCX connector (2.54mm) *5 | Connecting SigOFIT and the circuit under test | |
| MCX connector (5.08mm) *5 | Connecting SigOFIT and the circuit under test | |
| MCX coaxial cable *1 | Connecting SigOFIT and the circuit under test | |
| Carrying Case *1 | Case with EVA foam | |
| Probe Mount *1 | Bipod mount to support probe head | |
| USB type-C to type-C cord *1 | To power the Optical-Electrical Converter | |
| 25W USB charger *1 | To power the Optical-Electrical Converter |
Optional accessories
| Module No. | Description | |
| OP10-x | Attenuator tip of 10X | |
| OP20-x | Attenuator tip of 20X | |
| OP50-x | Attenuator tip of 50X | |
| OP500-x | Attenuator tip of 500X | |
| OP1000-x | Attenuator tip of 1000X | |
| OP2000-x | Attenuator tip of 2000X |
