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ELECTRONICS

Satellite Signal Strength Meter with 10-LED Bar Graph

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UPDATED 2026-09-13
TYPECircuit
USE-CASESatellite Dish Signal Detector
EXAMPLESatellite Signal Strength Meter with 10-LED Bar Graph
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CASE ANALYSIS

Scenario

A technician needs to align a satellite dish by watching a 10-LED bar graph that shows relative signal strength from the LNB.

Key decisions

  • Use an LM3914 to drive ten LEDs in bar mode
  • Rectify RF input with a 1N4148 detector and RC filter
  • Power the meter from a 9V DC supply

When to reuse this

Reuse this netlist when building or documenting a handheld satellite finder or signal strength meter with LED bar display.

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