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The camera is oriented to look out the side of the rocket during launch and downward during descent on the parachute. An optional external mirror can be added to enable the camera to look down during lift-off. The transmitter...
This is a simple USB FM transmitter designed to play audio files from an MP3 player or computer on a standard VHF FM radio. The USB FM transmitter operates by converting audio signals from a digital source, such as an...
Narrow Band Frequency Modulation (NBFM) is utilized in this 27 MHz transmitter circuit schematic. This circuit is based on the Motorola MC2833 VHF transmitter, which integrates FM modulation and narrow band capabilities into a single chip. P1 is designated...
This portable FM transmitter features a limiter, a microphone amplifier, and PLL digital tuning, all integrated onto a single circuit board. The RF power output can be switched between 1 W (high) and 0.2 W (low). The schematic is...
The range of this FM transmitter is approximately 100 meters when powered by a 9V DC supply. The circuit consists of three stages. The first stage is a microphone preamplifier. The FM transmitter circuit is designed to convert audio signals...
This article provides the circuit schematics for an FM transmitter along with the necessary explanations. The primary component utilized is the VMR6512 IC, a highly integrated FM audio signal transmitter chip designed for Hi-Fi audio applications. This chip can...
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