David's Notebook - Electronics and Communications

This is a collection of 'Useful Information' I accumulated from various sources during my career as an Electronics Engineer, then Communications Systems Engineer. I hope you find it useful.

GENERAL

• RF notes
• Electrical Resistivity
• Dielectric Constant
• Universal Carrier Recovery Loop
• Miscellaneous notes

FILTERS

Filter notes
Filter Tables (Zverev)
2nd Order Active Filter Coefficients

COMPONENTS

Alkaline Batteries
RF Connector Identifier
E12 Resistor Ratio Chart
E24 Resistor Ratio Chart
Surface Mount Resistor Power Ratings

CIRCUIT DESIGNS

AF Noise Generator
Clock Buffer
PRBS Generator
Lead Acid Battery Monitor
Record Player Preamplifier
Record Player Preamp Power Supply

COMMUNICATIONS

• Misc. notes
• Antennas and Propagation notes
• Data Rate and Cable Length
• EIA-232 Pin-Out
• EIA-530 / 530-A Pin-Out
• RJ-50 Pin-Out

MATHEMATICS

• General
• Algorithms
• Maths constants