This circuit passes frequencies in the 300Hz – 3.1kHz range, as present in human speech. The circuit consists of cascaded high-pass and low-pass filters, which together form a complete band-pass filter. One half of a TL072 dual op amp (IC1a) together with two capacitors and two resistors make up a second-order Sallen-Key high-pass filter. With [...]
Read More When using your TV or computer, there’s nothing more frustrating than encountering poor reception. Now there’s a fast and effortless way to make your signal strength up to 32 times more powerful! The Motorola Signal Booster enhances analog and digital picture quality, improves cable modem communication, and reduces lost data. It’s easy to [...]
Classically styled but equipped with all the modern features, the Uniden Bearcat PC78 Elite CB radio is a must for truckers, boaters, and other CB enthusiasts. The radio is housed in a stylish silver chassis with backlit chrome control knobs–an enduring look that’s sure to satisfy longtime CB fans. More importantly, the radio operates on [...]
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