The FM modulator circuit (frequency modulation) is built with a Motorola MC1648P oscillator. Two varactors, Motorola MV-209 are used to frequency modulate the oscillator. The 5000 Ω potentiometer is ...

Broomfield, CO— Sirenza Microdevices announced the release of the STQ-2016-3, a new SiGe HBT direct quadrature modulator. Housed in an industry-standard TSSOP-16, this device is well suited for WCDMA ...

Compared to the simple diode needed to demodulate AM radio signals, the detector circuits used for FM are slightly more complicated. Wrapping your head around phase detectors, ratio detectors ...

Inovonics’ fourth generation “541” FM Modulation Monitor is now shipping to customers. What makes it noteworthy compared to previous versions of the product? The new all-digital 541 combines ...

Features include a digital direct-to-channel FM modulator, hot-pluggable power supplies, LCD screen, navigation buttons and LED indicators. “The RJ-45 port allows you to connect to the intuitive and ...

(Image credit: Future) Step 3: Massive X’s two inaudible Phase Modulation oscs – ‘operators’ in FM speak – can modulate the frequency of the two audible oscillators.Lighting up Osc 1’s PM1 button ...

He’s broken down the modulation and demodulation circuits into their basic op-amp stages with examples of what the signal should look like on a scope after each stage. That’s the beauty here.