Rx Decoder
#RF
#receiver
#decoder
#signal processing
#wireless communication
#radio
#demodulation
#electronics
#circuit design
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REGENERATIVE_SHORTWAVE_RECEIVER
The receiver consists of multiple subassemblies, including an active antenna, an amplifier featuring regeneration control and band-switching circuitry, an AM detector, a power amplifier, and an output device such as an internal speaker, external speaker, or headphones. Additionally, it is...
5474 tips
The Aristo ART-5474 Accessory Panel is a complete receiver designed to control accessories using buttons A through E on the Train Engineer transmitter. The ART-5474 is capable of controlling two turnouts, one constant load such as lights, and can trigger...
RF based Automatic meter reading
RF based Automatic meter reading, or AMR, is the technology of automatically collecting data from energy meter and transferring that data to a central database for billing and/or analyzing. This means that billing can be based on actual consumption rather...
Dave Richards AA7EE
As a follow-up to the previous post, it was discovered that the Sony SRF-59, although inexpensive, offers surprisingly good performance due to its creative receiver architecture. Research was conducted on external antennas to improve reception of weak stations. Among the...
Electronic Projects
This program includes circuit design CAD, simulation, and auto-routing PC layout. PSPICE is also utilized at Unisys, which offers more capabilities but costs six times as much and requires annual renewal. With these requirements and others in mind, a variation...
Interpolating Scanner Circuit
This design is for an interpolating scanner, a circuit featuring multiple signal inputs, a control voltage input, and a signal output. The output selectively transitions between inputs, smoothly fading from one to the next as the control voltage increases. A...
Rf-actuated-relay
Automatic antenna switching or RF power indication can be achieved with this circuit. Relay will key with less than 150 mW drive on 2 m.
The circuit designed for automatic antenna switching or RF power indication utilizes a relay that is...
Amatorki projekt
The circuit is designed to add two identical branches to the existing despreading spectrum. The only difference between the branches is the phase of the PN sequences fed into each branch, specifically at the input of a double-balanced mixer. The...
Radio circuits built
This receiver is a modification of Charles Wenzel's Two Transistor Reflex Radio. Instead of a ferrite AM loopstick antenna, a magnetic loop antenna is used, and an LM386 amplifier stage has been added to drive an 8-ohm speaker. A switch...