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LTspice is a SPICE-based analogue electronic circuit simulator computer software produced by semiconductor manufacturer Analog Devices (originally by Linear Technology).[1] It is the most widely distributed and used SPICE software in the industry.[2] Although LTspice is a great free-to-use SPICE software with many built-in models, the models are either generic models or Analog Devices specific […]

To celebrate our 6th anniversary, we designed and trademarked a new logo to celebrate our past successes and symbolise the future of Thesis. At Thesis, we pride ourselves on helping shape our customers’ future. Our work helps our customers extend their technological advantage over the competition and opens up new growth opportunities. To illustrate this, […]

Here we show the waveform of a zero-voltage switching (ZVS) inductive heating circuit and the thermal profile in operation. A typical buck regulator DC-DC is challenging to design when there is a significant voltage difference between the input and the output voltages. A significant voltage difference typically increases switching losses and limits the device’s switching […]

In Thesis, we develop products using various MCUs – Cypress PSoC4/5/6, STM32, Nordic nRF, Arduino, and PIC. In the past, we did that because of various client requirements and/or outcomes from our in-depth engineering evaluation. However, we do it nowadays because we aim to make our product design as MCU agnostic as possible to circumvent […]

Introduction A very noticeable feature in modern wearables and smartwatches these days is the presence of an optical photoplethysmograph (PPG) heart-rate sensor. PPG is a non-invasive method of measuring the variation in blood volume in tissues using a light source and a detector. In this article, we will talk about some component-level heart-rate measurement (HRM) […]

Ingress Protection Codes and Ratings Regardless of how smart your electronics are, they need protection against the elements and daily handling, which comes in the form of an enclosure that provides mechanical and/or water protection. Some recent notable devices are the water-resistant Samsung Galaxy S8, iPhone X and wearables such as the Apple Watch Series […]