Abstract: Article addresses modeling, simulation and implementation of digital modulator/demodulator (modem) with pi/4 differential quadrature phase shift modulation (pi/4-DQPSK) on software-defined ...

A new version of the Raspberry Pi 4 Model B has been (quietly) introduced. The key difference? It now uses a dual-RAM configuration. The Raspberry Pi 4 Model B (PCB 13a) adopts a dual-RAM ...

In a nutshell: Raspberry Pi is one of many companies affected by the ongoing memory shortage fueled by the AI boom. As the DRAM industry shifts focus toward higher margin products for Big Tech's ...

Desperate times call for desperate measures. Raspberry Pi has decided to introduce a dual RAM variant of the Raspberry Pi 4 to allow DRAM supply chain flexibility along with manufacturing process ...

Network Connectivity Integrated Wi-Fi 6 + Bluetooth 5.4 + BLE. 10/100/1000Mbps adaptive Ethernet, supporting PoE power. Display 1x HDMI 2.0 (4K@60fps), 4-channel MIPI DSI 1x 4-lane MIPI DSI display ...

Raspberry Pi 4 and the latest Raspberry Pi 400 share the same Broadcom BCM2711 processor with four Cortex-A72 cores. However, the Pi 4 is clocked at 1.5GHz and the Pi 400 can go up to 1.8GHz. So it’s ...

The Orange Pi 4 Pro is a credit card-sized single-board computer that’s just a hair larger than a Raspberry Pi 5, and it even has a Raspberry Pi-compatible 40-pin GPIO header. But it stands out for a ...

Article 4 allows member states to start a formal discussion within the alliance about threats to their security. It does not commit the alliance to military action. By Jenny Gross Poland invoked ...

Got Talent producer Fremantle has seen its half-year revenue fall 5.4%, as parent RTL posted a mixed interim results in which streaming shone but sales and profits fell. Fremantle’s revenue for H1 ...

Sky Deutschland has been acquired by RTL, ending years of speculation on its future and representing RTL’s biggest ever buy. The channel group paid €150M ($175M) for Sky’s German arm, “with additional ...

From a raw performance standpoint, the Raspberry Pi 5 completely outclasses the Pi 4. Going from Arm Cortex-A72 in the Pi 4’s SoC to Cortex-A76 cores is a big jump in its own right as these cores are ...

There is a new breed of RF receivers known as software-defined radios, and they are revolutionizing the way in which people listen to shortwave (SW) radio, or indeed any form of radio broadcast. SDRs ...