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The FireFly® high voltage optically isolated probe offers industry leading performance that combines the ability to accurately resolve high bandwidth, small differential signals in the presence of large common mode voltages with its ultra-high common mode rejection performance across its entire bandwidth. With >1.5GHz bandwidth, wide differential input range, unmatched common mode rejection ratio CMRR up to >180dB (1 billion to 1 rejection), and a 60kV common mode, FireFly® is the ideal measurement solution for both GaN and SiC device characterization and system level design development.

 

PMK‘s optically isolated interface and unique compact angled probe head design are the key attributes that set FireFly® apart from the other solutions in the market, providing very stable and accurate measurements over a wide temperature range and easy access to the measurement points in tight spaces.

 

The compact angled probe head design allows for shorter tip cables to be used, resulting in higher signal fidelity measurements and reduced stresses placed on the measurement test point. FireFly®‘s wide selection of probe tip connections and accessories offer reliable, hands-free, high-fidelity connectivity to the measurement points. Using industry standard MMCX and square pins connections allow FireFly® to easily interface to test boards that have already been design with these test points.

 

FireFly® has a universal BNC output connector and is compatible with any oscilloscope with a 50Ω input impedance or 1MΩ input impedance and a 50Ω feed-through termination, allowing FireFly® to be used on any oscilloscope in the lab.

 

For accurate deskew, each probe‘s unique propagation delay is measured and added to each probe label.

 

The FireFly® probe head is powered by an easy to change, rechargeable, industry standard 18650 battery that provides continuous operation for up to 30h at room temperature. The interface box is powered by the required PMK power supply. The 2ch PS2 and 4ch PS3 power supplies all have remote control capabilities and therefore a USB interface and optional additional LAN interface. As an alternative for most flexible use, the 1 channel battery pack power supply AP-01 provides >8h of portable and isolated operation but has no software remote control.

 

FireFly® series has the capability to be controlled from either remote control or the controls located on the interface box.

 

For remote control PMK offers the software “PMK Probe Control” with graphical user interface, which is shipped with any PS2 and PS3 power supply, and is available for download at:

http://www.pmk.de/en/products/probecontrol

 

In addition, the Python package "PMK-probes" is available as a programming interface for controlling PMK’s active probes. Installation instructions, examples and documentation can be found here:

https://pmk-probes.readthedocs.io/en/latest/

Step 1: Select base probe

Order numberArticleAttenuationBandwidth (-3 dB)Input VoltageInput ImpedanceRise time
 
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FF-1500FireFly®, SMA Input1:1>1.5 GHz±1 V200 kΩ || 5.1 pF<250 ps

Step 2: Optional probe tip cable

Order numberArticleAttenuationBandwidth (-3 dB)Input VoltageInput ImpedanceRise time
 
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FF-MMCX-1VFireFly®, probe tip cable, MMCX 1:1>1.5 GHz±1 V50 Ω *<250 ps
 
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FF-MMCX-10VFireFly®, probe tip cable, MMCX 10:1>1.3 GHz±10 V2 MΩ || 3.4 pF<280 ps
 
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FF-MMCX-25VFireFly®, probe tip cable, MMCX 25:1>1.3 GHz±25 V4,9 MΩ || 2.1 pF<280 ps
 
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FF-MMCX-50VFireFly®, probe tip cable, MMCX 50:1>1.3 GHz±50 V10 MΩ || 2 pF<280 ps
 
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FF-MMCX-250VFireFly®, probe tip cable, MMCX 250:1>1.3 GHz±250 V20 MΩ || 2.1 pF<280 ps
 
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FF-WSQ-500VFireFly®, probe tip cable, WSQ 500:1>1 GHz±500 V40 MΩ || 2.8 pF<300 ps
 
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FF-WSQ-1000VFireFly®, probe tip cable, WSQ 1000:1>1 GHz±1000 V40 MΩ || 2.9 pF<300 ps
 
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FF-WSQ-1500VFireFly®, probe tip cable, WSQ 1500:1>1 GHz±1500 V40 MΩ || 2.7 pF<300 ps
 
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FF-WSQ-2500VFireFly®, probe tip cable, WSQ 2500:1>1 GHz±2500 V40 MΩ || 2.5 pF<300 ps
 
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coming soon:More connectivity solutions      
 
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Power-Over-Fiber adaptor      

Step 3: Optional connectivity accessories

Order numberArticle
 
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FF-SQ-MMCX55x MMCX Y-lead adapter, MMCX socket to 2x 0.025'' (0.635mm) socket, compatible with square pins with 0.100'' (2.54mm) space, -40°C to +125°C 
 
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FF-HTSPAD-MMCX33x MMCX solder-in cable adapter HT, MMCX socket with 50Ω RF micro coax cable to flex solder-in pad, -40°C to +155°C (1x 0Ω, 1x 36Ω, 1x 75Ω) 
 
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FF-2XR-MMCXMMCX Y-Lead, MMCX socket to 2x XR Mini-Hook 
 
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FF-UFL-MMCX22x MMCX cable adapter, MMCX socket with 50Ω RF micro coax cable to UF.L plug, -40°C to +125°C 
 
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FF-HTS-MMCX22x MMCX solder-in cable adapter HT, MMCX socket with 50Ω RF micro coax cable and open end, -40°C to +155°C 
 
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9724161002-pole test clip SMD, for use with FF-SQ-MMCX5 
 
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P25-2Pico Hook™, red, for use with FF-SQ-MMCX5 
 
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P25-0Pico Hook™, black, for use with FF-SQ-MMCX5 

Step 4: Optional positioning system

Order numberArticle
 
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FF-3DPOS200FireFly® 3D positioner for 10kV insulation with steel base, arm with spanwidth 200mm, FireFly® probe holder and wrench 7mm 
 
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FF-HAL 10kVFireFly® Series non-conducting high voltage probe holder for 10kV insulation, M6 thread, Set of 3 
 
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FF-2FOOTERFireFly® Probe holder 2 Footer (Bipod) ** 

Step 5: Select power supply

Order numberArticleInput VoltageOutput Current (max.)NoiseChannelsOutput VoltagePowerImmunity
 
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889-09V-PS22ch Power supply for remote control with USB interface 100-240 V AC, 47-63 Hz550 mA /Channel8 mV2± 9 V20 WEN 60601-1-2
 
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889-09V-PS2-L2ch Power supply for remote control with USB and LAN interface 100-240 V AC, 47-63 Hz550 mA /Channel8 mV2± 9 V20 WEN 60601-1-2
 
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889-09V-PS34ch Power supply for remote control with USB interface 100-240 V AC, 47-63 Hz550 mA /Channel4 mV4± 9 V40 WEN 60601-1-2
 
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889-09V-PS3-L4ch Power supply for remote control with USB and LAN interface 100-240 V AC, 47-63 Hz550 mA /Channel4 mV4± 9 V40 WEN 60601-1-2
 
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889-09V-AP011ch Battery pack, >8hrs operation, no remote control  700 mA DC 1± 9 V20 W 
 
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890-520-900Probe connection cable 0.5 m **        
 
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890-520-915Probe connection cable 1.5 m        

Step 6: Optional accredited calibration

Order numberArticle
 
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KAL-DAKKS-FFISO 17025 (re-)calibration 

Step 7: Additional accessories

Order numberArticle
 
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D01003150Ω BNC feedthrough for use with 1MΩ oscilloscope inputs, 0.5W 

(*) terminated, 50Ω transmission line

(**) included in the scope of delivery

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Since December 2018 PMK Mess- und Kommunikationstechnik GmbH is

DIN EN ISO 9001:2015 certified

 

 

Bremen, Germany

02.06. – 06.06.2024

Nuremberg, Germany

11.06. – 13.06.2024

Hall 7, Booth 7-157

 

Munich, Germany

12.11. -15.11.2024

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