A trial 4G network installed near Birmingham, UK has reportedly performed better than expected, alleviating fears over initial reports released late last year suggesting that up to 2.3 million homes could be affected by interference with the Freeview TV signals. A total of 15 out of 22,000 households reported issues with their television signals that were determined to be … [Read more...]
HEMP Power Line Filters Meet or Exceed Requirements of MIL-STD-220
LCR Electronics Inc., a manufacturer of EMI filters, ruggedized integrated chassis and electronic control products and backplanes, has released the FH Series of HEMP power line filters “designed to meet or exceed the requirements of MIL-STD-220 with 100dB attenuation from 14kHz to 1GHz.” According to the company, the new HEMP power line filters “are capable of carrying full … [Read more...]
EMP/HEMP Filter to Withstand Pulses Under MIL-STD-188-125-1 Tests
EMI/RFI filter manufacturer Fil-Coil Inc. has announced the release of a 1200A 3-phase electromagnetic pulse/high altitude electromagnetic pulse filter to withstand pulses under MIL-STD-188-125-1 tests. According to the company, the newest FCULN-4x1200 HEMP filter features a voltage rating of 277/480VAC, an operating frequency of 50-60HZ and a dielectric withstanding voltage … [Read more...]
New Series of IEC Inlet Filters Introduced for Switch-Mode Power Supplies, Office and Measuring Instruments, Medical Applications
Japanese electronics company TDK Corp. has announced the expansion of the EPCOS B84771 IEC inlet filter series with two new series. According to the company, the B84773 series features an integrated fuse, while the B84776 series has both a switch and a fuse. According to the company, typical applications for the new IEC inlet filters include “switch-mode power supplies, office … [Read more...]
New Series of TVS Components Protect Portable Consumer Electronic Devices
Semiconductor company ProTek Devices has released a new series of transient voltage suppressor (TVS) components that provide circuit protection for switching transients across the DC line in sensitive electronics, including smartphones, battery chargers and other portable consumer electronic devices. According to the company, the PSDxxHP series “provides electrostatic … [Read more...]
MKP Film Capacitors for Passive PFC Circuits and Output Filtering of Power Supplies Feature Significantly Reduced Volume
Japanese electronics company TDK Corp. has released new B3267P series EPCOS MKP film capacitors for applications including passive PFC circuits and output filtering for ballasts, LED power supplies and switch-mode power supplies. According to the company, the new series of capacitors “are designed for rated voltages of 450 V DC, 520 V DC and 630 V DC and cover a capacitance … [Read more...]
Toyota Issues Vehicle Recall Due to Electrical Interference
Toyota has recalled more than 1 million Corolla, Corolla Matrix and Pontiac Vibe models across the globe due to faulty air bags that could deploy accidentally without warning. A second, separate recall to check for possible loose front wiper nuts in Lexus Is vehicles was also issued. According to a "defect information report" submitted to the National Highway Traffic Safety … [Read more...]
Are X2Y Capacitors as Effective as Advertised? Are they Easy to Design Around?
Editor’s note: This question was asked in response to Interference Technology’s recent webinar by Keith Armstrong. To view the webinar, click here. Question: Are X2Y capacitors as effective as advertised? Are they easy to design around? Answer: Well, like Questions 6 and 7 above, this question isn’t related to the subject of my webinar, but I still have some time left to … [Read more...]
Measurement of Passive Intermodulation in Filters
“IEC 62037-5:2013(E) defines test fixtures and procedures recommended for measuring levels of passive intermodulation generated by filters [that are] typically used in wireless communication systems. The purpose is to define qualification and acceptance test methods for filters for use in low intermodulation (low IM) applications.” Learn more. … [Read more...]
New High-Current Model for DC Filter Series
Schurter, a manufacturer of fuses, connectors, circuit breakers and EMC products, has announced the expansion of its FMER series of high-current filters with the addition of a model designed for high power. The company also plans to offer the entire FMER series without Y capacitors. The FMER series of filers have UL approvals for ambient temperatures of 55°C and 75°C as well … [Read more...]
- « Previous Page
- 1
- …
- 30
- 31
- 32
- 33
- 34
- …
- 77
- Next Page »
