The Defense Spectrum Office has sponsored for many years, the Spectrum and EM Compliance Special Interest Area on the DAU’s Acquisition Community Connection (ACC) portal. This Community of Practice (CoP) serves as a platform to connect Spectrum and E3 Compliance practitioners from across multiple career fields, offering them a chance to talk, share, and acquire knowledge about … [Read more...]
Brochure Describes Photo Etching of Thin Metal Parts, Board Level Shielding and Flexible Circuits
Capabilities brochure describes how the photo etching process provides Tech-Etch the flexibility to produce prototype quantities and large production runs of intricate parts for many diverse mechanical and electrical applications, without the high cost and long lead times of hard tooling. Custom light-gauge parts are produced with intricate patterns, precise tolerances and … [Read more...]
2 New Microwave Power Modules (MPMs) for Radar & EW Introduced
At DSEI 2017, on Stand S3-255, TMD Technologies Limited (TMD), a specialist West London-based SME in the microwave and RF field, will be introducing two new TWT based microwave power modules (MPMs): The PTX8110, 6-18 GHz, 200 W unit and the PTX8815, Ka band, 1100 W unit. NEW - PTX8110 compact, high power MPM for radar and EW The new PTX8110 operates from 6-18 GHz at 200 W … [Read more...]
Robust MKP Film Capacitors for AC Applications
TDK Corporation presents a series of robust EPCOS MKP film capacitors (B3275*) that are optimized for use with AC voltages with high ripple currents. The new types are available for rated voltages of 250 Vrms, 275 Vrms and 310 Vrms and cover a capacitance range from 1 µF to 70 µF. One particular feature is their extreme robustness: The capacitors pass a THB test (temperature, … [Read more...]
Selecting the Proper EMI Filter Circuit For Military and Defense Applications
Introduction Insertion loss, the term used to express a filter’s ability to reduce or attenuate unwanted signals, has traditionally been measured in a 50 ohm source and 50 ohm load impedance condition, as standardized in MIL-STD-220. In this matched 50 ohm impedance condition, various types of filter circuit configurations, single capacitor, “L’s”, “PI’s”, and “T’s”, will … [Read more...]
FCC Updates Rules on Authorization of Radiofrequency Devices
The FCC has officially announced a major update in the rules for certifying, labeling, and importing radio equipment devices into the U.S. This will greatly simplify the certification and importing process for manufacturers. The rules also address certified wireless modules incorporated into products. Appendix A of the Notice pf Proposed Rulemaking (FCC 15-92) outlines the … [Read more...]
80A Discrete Bidirectional TVS Diode Array with Lower Standoff Voltages Added to Protect Lower Voltage Power Buses
Littelfuse, Inc., the global leader in circuit protection, recently introduced 80A discrete bidirectional TVS Diode Arrays as the latest addition to its SP11xx Series TVS Diode Arrays (SPA® Diodes). SP1103C Series 80A Discrete Bidirectional TVS Diodes offer circuit designers lower standoff voltage options for protecting lower voltage power buses from electrostatic discharge … [Read more...]
EMP/HEMP Filter Meets Mil-STD-188-125, E1 & E2 Pulse Test Requirements
API Technologies’ model 52-1700-XXX High-altitude Electromagnetic Pulse (HEMP) Filters are designed to protect sensitive electronics equipment during hazardous transient conditions. They are employed to absorb a potentially destructive overshoot voltage. Under normal operating conditions, the suppressor circuit exhibits high off state impedance that appears transparent to … [Read more...]
More Applications Added to Popular Selective Radiation Meter
Narda Safety Test Solutions has added the LTE-TDD option to the latest generation of its highly specialized SRM-3006 Selective Radiation Meter. This puts the finishing touch to this frequency-selective handheld field strength measuring system, which has long been the benchmark device for rapid, reliable, standard-compliant safety assessments. The code-selective measurement … [Read more...]
New Single Layer Capacitors Launched
Recently launched by DLI is the V Series, Single Layer Capacitor (SLC). This series was designed to provide higher capacitance in a smaller footprint. The wire bondable range is ideal for power applications where excellent high frequency response is a prerequisite. This, together with the small footprint of just 0.03”/0.77mm square, allow for high density mounting. Excellent … [Read more...]
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