NeoDronePrime
We are the premier source for boutique electronic components inspired by the golden age of synthesis. Powering the next wave of sound and retro-tech.
fpv drones
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The introduction of the Phantom series in 2013 marked a pivotal moment for DJI. The Phantom
Inspire Series – Professional CinematographySince the release of the Phantom, DJI has continuously advanced its d
V_in --+----[OTA_1]--+-- V_out
| | |
--- V_cv ---
--- C1 --- C2
| |
GND GND
This simplified schematic shows a 2-pole (12dB/octave) state-variable filter topology. The RWC-VCF-4P cascades two of these stages to achieve its steep 4-pole (24dB/octave) slope. The resonance is created by feeding a portion of the output back to the input, a delicate balance that can be pushed into wild self-oscillation.
Ryze Tello
- Core IC: LM13700 Dual OTA
- Topology: State-Variable Filter (2x cascaded)
- Slope: 24dB per octave
- Input Impedance: 100kΩ
- Output Impedance: 1kΩ
- CV Input Range: 0V to +5V (1V/octave tracking)
- PCB Layout: Guard rings around sensitive traces to minimize noise
