What is a Conical Inductor?

Posted by doEEEt Media Group
On January 12, 2021
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Off-the-shelf “flying lead” and surface mount broadband conical inductors, Figure 1 and Figure 2, are a special type of broadband RF choke that are used to filter radio frequency (RF) and microwave frequency interference from electronic circuits. At high frequency, the RF choke becomes a high impedance element used to isolate noise or DC from desired signals.

RF Transformer Explained

Posted by doEEEt Media Group
On January 11, 2021
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RF Transformers are two, or more, port passive devices with a wide range of uses for many RF applications

CPPA contractual framework

Posted by Alvaro Real
On January 4, 2021
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The CPPA (Coordinated Parts Procurement Agency) is responsible for the engineering, testing and procurement of the EEE parts of a certain space mission. This structure has a dedicated contractual framework designed for the Users´ benefits

KEMET Brings Innovation to Magnetics

Posted by doEEEt Media Group
On December 27, 2020
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KEMET makes two types of magnetics products for use in electrical applications. The first are magnetic components used in power applications.The second are the various filters and chokes used for electromagnetic interference (EMI) control and protection.

What engineering and parts logistics services for EEE parts can be performed?

Posted by Emilio Cano García
On December 11, 2020
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As part of a comprehensive service to our customers, Alter Technology controls every phase of the product’s logistics from the manufacturer to the final delivery to the customer. The status of each component can easily be checked through our web-based reporting tools.

RF Choke vs. Inductor

Posted by doEEEt Media Group
On December 10, 2020
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Inductors and RF chokes are basically the same types of electrical components. The difference in design is related to the function the device will perform in a circuit

Accurate Inductor Loss Determination

Posted by doEEEt Media Group
On December 10, 2020
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Magnetic loss occurs from the core and the windings in the storage/coupled Inductor. Determination of inductor power loss accurately has become more important to design reliable and efficient systems

Insertion loss and filter capacitor performance

Posted by doEEEt Media Group
On November 27, 2020
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Capacitors are used in both analog and digital circuits to remove unwanted signals. The filtering performance of a capacitor or filtering circuit is commonly described in terms of insertion loss. Some of the factors that significantly affect the insertion loss performance of a filtering circuit include configuration of the filtering elements, impedance, and load current.

Steps to Procurement of Electronic Components

Posted by Manuel Padial Pérez
On November 20, 2020
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Satellites with ESA as end customer and a prime contractor. This is a procurement approach where the agent receives the purchase orders for parts from various parts users, extracts and compiles the total need quantities per type and manufacturer, along with the necessary attrition (including DPA, LAT or QCI and radiation samples) and places the purchase orders at the corresponding manufacturers. Upon receipt of the flight parts by the CPPA, the ordered parts quantities will be tested as required and shipped to the individual users. The main features of the co-ordinated procurement are:

How to Use a Ferrite Bead to Reduce EMI

Posted by doEEEt Media Group
On November 5, 2020
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Ferrite beads protect PCB from EMI, by attenuating a specific band of high frequencies, or acting as an LC filter when combined with a capacitor, or separating ground and power planes.