Entangled photon sources for quantum communications

Posted by Javier Alejandro de la Ossa Fernández
On December 14, 2022
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Quantum entanglement is one of the many non-intuitive features of quantum mechanics. If two photons of light are allowed to properly interact with each other, they can become entangled. Those two entangled photons can then be separated, but as soon as one of them interacts with the third particle, the other photon of the pair will change its quantum state instantaneously.

Optical Transceiver

Using optical transceiver technology within space vehicles

Posted by Javier Alejandro de la Ossa Fernández
On November 8, 2022
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Optical transceiver technology devices have shown an increase on performance and a reduction in SWaP (Size, Weight, and Power) by their inclusion in Very High Throughput Satellites (VHTS) payloads. To ensure their practical use in space applications, they need a compact package, low power consumption, and highly reliable.

ACTIVES, EEE Components, PASSIVES, SPECIFICATIONS / QPLs

Issue 224 of ESCC QUALIFIED PART LIST (QPL)

Posted by Javier Alejandro de la Ossa Fernández
On March 21, 2022
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The changes in issue 224 of ESCC QUALIFIED PART LIST (QPL) are included in the DCR 1485 and detailed here in this post

New Space Microelectronics

Advantages of SAM for new space microelectronics inspection

Posted by Javier Alejandro de la Ossa Fernández
On March 10, 2022
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SAM provides non-destructive imaging of defects and delamination in die and package materials. It is widely used to inspect microelectronics parts such as plastic encapsulated ICs, flip-chip systems, bonded wafers, printed circuit boards (PCBs), etc. It is particularly useful for the inspection of small and complex devices. SAM is highly sensitive to defects that commonly originate under different stresses during manufacturing.

ACTIVES, EEE Components, MANUFACTURER NOTIFICATION

AMD completes acquisition of Xilinx

Posted by Javier Alejandro de la Ossa Fernández
On February 25, 2022
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Acquisition of Xilinx in an all-stock transaction. creates the industry’s high-performance and adaptive computing leader with significantly expanded scale and the strongest portfolio of leadership computing, graphics, and adaptive SoC products.

ACTIVES, EEE Components

Isolation in DC using phototransistor output optocouplers

Posted by Javier Alejandro de la Ossa Fernández
On February 22, 2022
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Optocouplers typically provide 2500 volts (rms) isolation, 1012 Ω insulation resistance, and less than a picofarad coupling between input and output. And optocouplers are available in many different packages and configurations.

ACTIVES, EEE Components, PASSIVES, SPECIFICATIONS / QPLs

Issue 223 of ESCC QUALIFIED PART LIST (QPL)

Posted by Javier Alejandro de la Ossa Fernández
On January 21, 2022
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The changes in issue 222 of ESCC QUALIFIED PART LIST (QPL) are included in the DCR 1465 and detailed herein below

EEE Components, PASSIVES

Current flow measurement using precision resistors, makes a lot of sense!

Posted by Javier Alejandro de la Ossa Fernández
On January 10, 2022
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Current-sensing techniques are intrusive, meaning that somehow they will affect the system performance. It’s usually necessary to insert “something” in the middle of the path that goes from the power source to the load through which the current that we need to monitor flows.

ACTIVES, EEE Components

Electrical characterization of 1.2kV SiC Schottky diode at a wide temperature range

Posted by Javier Alejandro de la Ossa Fernández
On November 29, 2021
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This article reports the results obtained from an electrical characterization under high temperatures (25°C and 100°C), where forward voltage and reserve current were monitored for a set of 130 devices. The optimization process for these devices reflects an excellent behavior in on mode and a right compromise in a reverse way for the chosen application.

ACTIVES, EEE Components

Prototyping a 1.2kV SiC Schottky diode for TWTAs

Posted by Javier Alejandro de la Ossa Fernández
On November 29, 2021
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The importance of SiC devices in the power electronics field and how this can be particularly useful in space applications. Also, we set the foundations for a SiC diode that complies with the optimized performances needed for the rectifier module in the next generation of EPCs for TWTAs.

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