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 ...

That's the idea behind Halogen FM, the latest instrument from GForce Software, which promises to make FM synthesis "fun, fast ...

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 ...

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.

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 ...

The company says this is the transmitter that makes SFN accessible to all broadcasters. It uses WorldCast ’s SynchroStream ...

Direct conversion modulator boosts 3G cellular base station transmitter performance Single channel ACPR performance extends higher still to -73.5dBc. The precision 0°/ 90°; phase shift of the on ...

FM is a popular modulation scheme used to transmit information on a high-frequency radio carrier by varying the carrier frequency. It’s still widely used today in both analog and digital formats.