How to Improve Return Loss or VSWR
In this post we show a simple technique to improve the return loss of an RF component like a mixer or amplifier. A good VSWR to aim for is at …
EIRP Calculator
Use this calculator to find the Effective (or Equivalent) Isotropic Radiated Power EIRP in dBm, dBW and Watt. Enter: Formula EIRP = PTx – LC + GAnt Background Effective Isotropic …
What is the Arduino ADC Sampling Rate?
The maximum sampling rate of the Arduino’s Analog-to-Digital converter is 15 kilo-samples per second or 15,000 samples per second. In this post we get into the details – explain why …
Line of Sight Calculator (with Examples)
A line of sight calculator is a valuable tool that helps determine the maximum distance between two points for effective communication. This article provides an easy to use calculator with …
JBL Charge Blinking Light – What does it mean?
If you’ve ever found yourself staring at the blinking LEDs on your JBL Charge speaker, wondering why it’s behaving mysteriously, you’re not alone. The quick start guides [1] provided by …
JBL Headphones Blinking Light – What does it mean?
If the LED on a pair of JBL headphones blink continuously it can indicate a problem. Unfortunately there’s not a lot of information in the user manual [1] on how …
IP TV Bandwidth Calculator
This tool calculates the bandwidth requirements for IP TV (in Megabit per second). It also calculates the total data usage (in MB, GB or TB) based on number of users …
Speaker Impedance Calculator (with Examples)
This calculator determines the total effective impedance or resistance of any number of speakers in series and parallel configurations. The total impedance depends on how the speakers are configured. There …
Audio Amplifier Output Calculator
Use this tool to calculate the amplifier output power for an audio system consisting of an amplifier, speaker or subwoofer. How to use the calculator Calculator Example Calculation Let’s use …
[SOLVED] Roku Not Connecting to Wi-Fi
My friend Mark loves his Roku devices. Lately however he has been having issues with connecting to the internet. When the Roku can’t connect, it’s not very useful. He called …
AC to DC Voltage Calculator
The tool below calculates the DC voltage from AC voltage. Background A full-wave rectifier is an electronic circuit that converts AC to DC by rectifying both halves of the AC …
Voltage Regulator Temperature Calculator
This tool calculates the junction temperature of a LDO regulator Formula TJ = TA + (RθJA × PD ) where PD = (VIN – VOUT) * IOUT + VIN * IQ The power …
Scan Rate Calculator
This tool calculates the scan or sweep rate of a spectrum analyzer or radio receiver. It answers the question as to how much frequency (in kHz, MHz, GHz or THz) …