In this project, we'll construct and test a microcontroller-based system that digitally generates analog signals.
In this project, we'll construct and test a microcontroller-based system that digitally generates analog signals.
Learn how whitening filters solve problems in low-power radios when transmitting long identical bit sequences. Explore…
Learn how whitening filters solve problems in low-power radios when transmitting long identical bit sequences. Explore their significance in protocols like BLE and ZigBee.
What is millimeter wave technology and how is it characterized compared to other lower-frequency technologies?
What is millimeter wave technology and how is it characterized compared to other lower-frequency technologies?
Learn the basics of 5G NR (New Radio), including its frequency bands, applications, and what technologies make it possible.
Learn the basics of 5G NR (New Radio), including its frequency bands, applications, and what technologies make it possible.
Using impulse radios as an example, we'll examine the advantages of ultra-wideband (UWB) technology compared to other…
Using impulse radios as an example, we'll examine the advantages of ultra-wideband (UWB) technology compared to other short-range wireless communication technologies.
How should I and Q combining be done? Through analog or digital means? This article will discuss the basics of the analog…
How should I and Q combining be done? Through analog or digital means? This article will discuss the basics of the analog and digital IQ approaches.
In this article, we will see how we can determine the SFDR for an ADC used in a radio receiver. Also, we’ll examine the…
In this article, we will see how we can determine the SFDR for an ADC used in a radio receiver. Also, we’ll examine the ADC SNR requirement for this application.
In this article, we’ll look at the spurious free dynamic range (SFDR) which is a popular specification for quantifying…
In this article, we’ll look at the spurious free dynamic range (SFDR) which is a popular specification for quantifying the linearity of a circuit.
Learn about the RN487x family of Bluetooth modules and how to configure them for your low-power peripheral projects.
Learn about the RN487x family of Bluetooth modules and how to configure them for your low-power peripheral projects.
This article discusses the mathematical significance of I/Q signals and presents the final steps in the DSP algorithm for…
This article discusses the mathematical significance of I/Q signals and presents the final steps in the DSP algorithm for decoding frequency-shift-keying baseband signals.
Learn about a DSP technique that extracts the original digital data from a demodulated frequency-shift-keying baseband signal.
Learn about a DSP technique that extracts the original digital data from a demodulated frequency-shift-keying baseband signal.
This article discusses digital down-conversion which is a digital-signal-processing technique widely used in digital…
This article discusses digital down-conversion which is a digital-signal-processing technique widely used in digital radio receivers.
This article explores the schematic design and basic features of a smart programmable wireless controller module I…
This article explores the schematic design and basic features of a smart programmable wireless controller module I designed: the WiCard.
In this article, we will take a look at the XDK110 rapid prototyping kit, characterize its hardware, explore its software…
In this article, we will take a look at the XDK110 rapid prototyping kit, characterize its hardware, explore its software environment, and demonstrate connecting the device to the MQTT messaging service.
GPS as we know it requires the precision of atomic clocks. This article looks at the importance of timing for GPS and the…
GPS as we know it requires the precision of atomic clocks. This article looks at the importance of timing for GPS and the clocks that provide it.
In part 4 of our Wi-Fi Eye project, we'll deal with our power supply
In part 4 of our Wi-Fi Eye project, we'll deal with our power supply
Building an animatronic, wearable, Wi-Fi robots, part 1: Programming the controller.
Building an animatronic, wearable, Wi-Fi robots, part 1: Programming the controller.
Learn how to make your own Wi-Fi-enabled "ESP Alarm."
Learn how to make your own Wi-Fi-enabled "ESP Alarm."
Bluetooth LE was designed with the IoT in mind. Here are some options for troubleshooting your next Bluetooth LE project.
Bluetooth LE was designed with the IoT in mind. Here are some options for troubleshooting your next Bluetooth LE project.
Bluetooth low energy (BLE) is designed to intermittently transmit information using a limited amount of power. This…
Bluetooth low energy (BLE) is designed to intermittently transmit information using a limited amount of power. This article provides the building blocks that allow you to add BLE to your projects for $5 (plus a one-time purchase of a $15 programmer).