Filtro Pasa Baja para Servomotor

flux

0:52

A continuación te propongo una sugerencia actualizada para conectar los componentes siguiendo la topología correcta de un filtro pasa baja Sallen-Key:
Sugerencia de Conexiones Actualizadas:
  1. Señal de Entrada:
    • Conecta la señal del servomotor a la entrada del filtro, asignándola a un net denominado, por ejemplo, VIN_SERVO.
    • Conecta R1 (terminal P1) a VIN_SERVO.
  2. Red RC – Nodo A:
    • Conecta la terminal P2 de R1 a un nodo que llamaremos NODE_A.
    • Conecta uno de los terminales de C1 al nodo NODE_A y el otro terminal de C1 a Ground.
  3. Etapa Activa – Red R2 y C2:
    • Desde el nodo NODE_A, conecta uno de los terminales de R2 (por ejemplo, P1) al nodo FILTER_IN.
    • Conecta el otro terminal de R2 (P2) al nodo FILTER_IN si no están ya juntos (asegurando que no se usen portales innecesarios).
    • En el nodo FILTER_IN, conecta un terminal de C2 y conecta el otro terminal de C2 a Ground.
  4. Amplificador Operacional (LM358):
    • Conecta la entrada no inversora (pin 3) del U1 al nodo FILTER_IN.
    • Configura el U1 como seguidor (buffer) conectando su salida (pin 1) directamente a la entrada inversora (pin 2).
    • La salida del U1 se toma como la señal filtrada.
  5. Referencias Comunes:
    • Asegúrate de que tanto C1 como C2 estén conectados a Ground, y que la alimentación del U1 comparta la misma referencia de tierra.
Esta configuración conecta de forma clara y evita los “airwires” reportados (por ejemplo, conectando directamente en nodos en lugar de usar múltiples portales innecesarios). Revisa que cada conexión se realice tal cual y, si es necesario, elimina o reajusta portales existentes que puedan interferir.
Puedes usar la opción "Apply changes" para incorporar estos cambios en tu esquemático. ¿Te gustaría proceder con esta sugerencia?
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C1 P2 - C2 P2
C1
Capacitance
210nF
R1 P2 - C1 P1
R2 P2 - U1 IN1+
R2 P2 - U1 IN1+
C2
Capacitance
210nF
R2 P2 - U1 IN1+
R1 P2 - C1 P1
C1 P2 - C2 P2
R1 P2 - C1 P1
U1
R1
Resistance
5.6kΩ
R2
Resistance
10kΩ
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Tricky Pink Electromagnetic Shrinking Machine

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