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USB EMI Filters
The ACTIV USB3.1™ electromagnetic interference (EMI) Filter is the most advanced and effective EMI filter for Universal Serial Bus (USB) available on the market. The filter seamlessly communicates with all USB standards from USB 1.1 up to USB 3.1 Generation 2 and is designed to pass signals from Low Speed (aka "LS" or 1.5MB/s) up to SuperSpeed+ ("SS+" 10GB/s). The filter utilizes the USB Type C protocol and supports the Power Delivery 3.0 specification including programmable power supply capability. The power profile is automatically negotiated by the filter allowing up to 60 watts (3A at 20VDC) of filtered power to the Downstream Facing Port (DFP).
Utilizing proprietary Digital Signal Processing (DSP) techniques, the ACTIV USB3.1™ faithfully reproduces the USB signals without unwanted or extraneous interference. The filter rejects unwanted signals from 150kHz to 40GHz at better than 90dB. Military grade passive filtering technology ensures that USB signals traverse the filter in complete and absolute isolation from each other and the outside world. Signal lines are balanced perfectly throughout the multilayered cards to avoid disturbing the fast rise times required by digital square wave signals. The result is a pristine digital output far surpassing the filtering capabilities of any other EMI filters.
Each ACTIV USB3.1™ Filter is constructed with the highest quality electrical components, starting with a super accurate, ultra stable high speed crystal clock which drives the specially developed DSP circuitry and USB host controller chipset. To protect against unanticipated voltage and/or current surges, the filter incorporates ESD and transient voltage suppressors, inrush current limiters, and gas discharge tubes. ACTIV USB3.1™ EMI Filters are mounted in a rugged protective housing machined from solid aluminum stock. The housing not only provides physical protection to the filter components, but is also an integral contributor to the filter?s effectiveness. The unique structure of the housing effectively disrupts undesirable emissions from propagating through the filter while simultaneously providing low impedance pathways for interference to be directed out of the filter. Between the housing and protection circuitry, the ACTIV USB3.1 EMI Filter is suitable for nearly any environment ranging from climate-controlled commercial use to harsh and unforgiving military applications.
Features:
- Proprietary DSP technology provides unmatched EMI filtering
- Military grade passive filtering techniques maintain clean and sharp signals
- Highest quality electrical components deliver long service life
- Rugged protective housing insures reliability in any environment
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EMI Filter Performance
Shielding Effectiveness
100dB from 10kHz to 40GHz (typical)
Shielding Effectiveness performance measured using a method based on IEEE 299-2006
Insertion Loss
90dB from 150kHz to 40GHz (typical)
Insertion Loss performance measured using a method based on MIL-STD-220B
Radiated and Conducted Emissions
- Exceeds FCC Part 15 A, B
- Exceeds EN 55022 Class A, B
- Exceeds MIL-STD-461 RE102
- Exceeds MIL-STD-461 CE102
ACTIV™ EMI filters are active filters and produce a limited amount of radiated emissions inside the shielded enclosure. Please contact DJM Electronics for information regarding your particular application.
Electrical Performance
Data Line Impedance
90Ω Typical
Supported USB 2.0 Data Speeds
- Low Speed (LS) 1.5 Mb/s
- Fast Speed (FS) 12 Mb/s
- High Speed (HS) 480 Mb/s
Supported USB 3.1 Data Speeds
- SuperSpeed (SS) 5 Gb/s
- Super Speed+ (SS+) 10Gb/s
Supported USB PD Profiles
- 15W (Up to 3A @ 5VDC)
- 27W (Up to 3A @ 9VDC)
- 45W (Up to 3A @ 15VDC)
- 60W (Up to 3A @ 20VDC)
Communication and Power Protocols
- USB 1.0
- USB 1.1
- USB 2.0
- USB 2.0 Revised
- USB 3.0
- USB 3.1 (Generation 1 and 2)
- USB 3.2 (Generation 1x1 and 2x1)
- USB Type C Specification 1.0
- IEC 62680-1-3
- USB-PD Rev 2.0
Environmental
Operating Temp
0ºC - 40ºC (32ºF - 104ºF)
Humidity
5% - 90% (non condensing)
Construction
Filter Housing
Aluminum w/Electroless Nickel Plating
Power Requirements
- Input: 100-240VAC; 50/60Hz
- Output: +24V / 3.75A minimum
(Marked "LPS" or "Class 2" Only)
- Power Supply Pins 1/4 POS, 2/3 GND
Dimensions
3.96" x 3.04" x 1.05"
Mounting
- 1-20 UNEF-2A Mounting Stub for Threaded Penetration
- 1" NPS threaded penetration w/brass mounting flange nut and mesh gasket
- 1", 3", 9", 12" or custom length threaded penetration
Connectors
- 2x USB C Jack
- 4 Pin Mini-DIN Jack
Indicator LEDs
- Power: Red When Power is Present
- High Voltage: Yellow When >5VDC Provided at Output
Drawings
Documents
Warranty
ACTIV™ brand Ethernet EMI filters come with a two year warranty.
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