Determine AM Modulation with an Oscilloscope
Use an oscilloscope to determine the modulation of an AM transmitter.
Tower Light Alarm Circuit
This pseudo-binary circuit allows a single remote-control telemetry channel to indicate several variations on circuit status.
Starguide Relay Logger
A utility to help diagnose contact closure and configuration errors for a Starguide broadcast satellite receiver. ZIP file.
StarGuide Relay Logger
A utility to help diagnose contact closure and configuration errors for a StarGuide broadcast satellite receiver. ZIP file.
FCC ID Number Lookup
Identify computer cards and other electronic components by their FCC ID number.
FCC ID Number Lookup
Identify computer cards and other electronic components by their FCC ID number.
Tower Light Flasher Failure Alarm
A simple interface and flash-failure circuit to interface to a station's remote control.
SCA Primer for Broadcasters (2002 edition)
FM subcarrier services can be source of revenue for an FM station. They can also be a source of aggravation if not maintained properly.
Electrical Concepts and Practices - a Primer
A collection of articles from Radio magazine's sister publication EC&M.
Western Electric 111C and 119C Transformer Information
Pinouts and schematics for these popular, high-quality audio transformers.
Western Electric 111C and 119C Transformer Information
Pinouts and schematics for these popular, high-quality audio transformers.
Variation on the Shielded-Loop AM Antenna
A variation on the antenna's construction.
Variation on the Shielded-Loop AM Antenna
A variation on the antenna’s construction.
Electronic Symbols True Type Font
A True Type font set with electonic symbols.
Braided Shield Cable Preparation
A simpler, cleaner method of preparing a braided shield for a connector.
Push-on/Push-off Switch
Turn a momentary closure into a maintained contact.
Baking Magnetic Recording Tape
Temporarily restore old tape for playback.
Lattice Combiner/Splitter
Build a lattice combiner/splitter.
Shielded-Loop AM Antenna
Build a shielded-loop AM antenna.
AES3 Passive Converters
Build passive AES3 balanced-to-unbalanced and unbalanced-to-balanced converters.
AES3 Passive Converters
Build passive AES3 balanced-to-unbalanced and unbalanced-to-balanced converters.
Shielded-Loop AM Antenna
Build a shielded-loop AM antenna.
Lattice Combiner/Splitter
Build a lattice combiner/splitter.
