SOLID-STATE AM CIRCUIT In the tube circuit, the amplifiers operate class B for the modulator and class C for the RF carrier. On the other hand, the solid-state transmitter operates in class D for both ...

For a more analog MOSFET application, consider this simple AM modulator. Figure 4 MOSFET amplitude modulator The circuit consists of an N-channel MOSFET, two resistors, and a Schottky diode. The ...

A collection of circuits in LTSpiceIV that I have examined during the years - mick001/Circuits-LTSpice ...

High-speed thin-film lithium niobate modulator with on-chip terminal resistor is demonstrated. The 6-mm-long modulator is equipped with capacitive-loaded travelling-wave electrodes, and exhibits a ...

AM Modulation: Generating an AM signal using a switching modulator circuit and evaluating it in both the time and frequency domain. AM Demodulation: Recovering the original message signal using an ...

In this paper, a novel versatile modulator that can function either as delta modulator, sigma-delta modulator, amplitude modulator and frequency modulator is proposed. The principle of the proposed ...

The circuit presented here makes amplitude modulation possible, and it also has the significant advantage that it replaces the somewhat exotic and quite expensive OP603AP output opamp with a standard ...

Read Part 1 and Part 2 of this series. This article on FETs for voltage controlled circuits will cover FET modulator circuits and variable gain amplifier ...

The phase modulator circuit also includes a frequency-agile, glitch-free multiplexer circuit configured to receive an oversampled baseband clock signal (clk OBB) and a phase select data input signal.

Here we report a flexible all-graphene modulator circuit with the capability of encoding a carrier signal with quaternary digital information.