XAMPP in Mac for Crater
1. Install XAMPP with PHP 7.4.33
2. In the httpd.conf file, replace daemon with your name when in User daemon –> User tesla
3. In …
Rubén Sánchez
Recent Posts
Digital implementation (IIR filter) of an op-amp integrator
Laplace analysis
Bilinear (or Tustin) transform
The Laplace transfer function can be …
BJT at DC
In this post we are going to discuss the DC analysis of Bipolar Junction Transistors (BJT).
BJT’s can work in three modes:
- Cut-off: the …
Transaction-level modelling (TLM) in the UVM
The UVM spins around the concept of abstracting the data that is sent and received from the DUT. Data abstraction allows to create and handle complex …
Covergroup driven UVM test
In Design Verification (DV), a test is a set of stimuli that exercises the Design Under Test (DUT). The purpose of the test is to verify one or more …
Fixed point representation
The fixed point representation consists of the representation of decimal numbers using a binary coding scheme that can’t model exactly all …
Transistor implementation of Schmitt trigger
The following circuit is known as a Schmitt trigger, implemented with BJT transistors. The main purpose of a Schmitt trigger is to generate a digital …
Coordinates, orthogonal coordinates and BJT transistors in CircuiTikZ
The LaTeX package CircuiTikZ is an excelent way to draw circuits in a standard and elegant manner. However, it can get quite tricky when you need to …
Simple full-wave bridge rectifier design
Design a full-wave bridge rectifier circuit to deliver 10 V dc with less than 0.1 V (pp) ripple into a load drawing up to 10 mA. Choose the …
Debugging MCP23018 on Ergodox Original keyboard
Basic operation
The left hand side of the keyboard uses a Microchip MCP23018 IC, which is an I/O expander with open drain outputs and it can be …