This
TiddlyWiki
contains the following tiddlers:
$:/config/RelinkOnRename
$:/config/ViewToolbarButtons/Visibility/$:/core/ui/Buttons/info
$:/core
$:/DefaultTiddlers
$:/GitHub/Filename
$:/GitHub/Path
$:/GitHub/Repo
$:/GitHub/Username
$:/isEncrypted
$:/layout
$:/palette
$:/plugins/tiddlywiki/katex
$:/SiteSubtitle
$:/SiteTitle
$:/state/http-requests
$:/state/tab--1963855381
$:/state/tab-1749438307
$:/state/tab-2065006209
$:/state/tab/moresidebar-1850697562
$:/state/tab/sidebar--595412856
$:/status/RequireReloadDueToPluginChange
$:/StoryList
$:/theme
$:/themes/tiddlywiki/snowwhite
$:/themes/tiddlywiki/vanilla
3E1 - AM, SSB and FM modulators
3H3 - Dynamic Range
3I1 - Functions of a superhet receiver
3I2 - Mixer
3I3 - Intermediate frequencies
3I4 - IF amplifier & transformer
3I5 - Phase noise
3J1 - Preamplifiers
3K1 - Demodulation
3L1 - Automatic gain control
3M1 - Phasor diagrams
3M2 - SDR phases
6A2 - Device immunity
6A4 - Homemade Equipment
6B1 - Imported/homemade equipment
6B2 - Blocking and Cross-Modulation
6B3 - Passive Intermodulation
6C1 - Routes of entry leads
6C2 - TV Mast-head amplifiers
6C3 - TV/radio interference
6D1 - Improving immunity
6D2 - Mains filter, braid breaking
6E1 - Field strength
6E2 - RF Grounding/bonding
6E3 - Balanced/Unbalanced antennas
6F1 - Advice for radio equipment in vehicles
6F2 - RF currents in vehicles
9A1 - Voltmeters
9A3 - Measurement tolerances
9A4 - Impedances in test equipment
9A5 - Measuring power
9A6 - Various devices
9A7 - SWR meter
9A8 - Oscilloscope
9A9 - Spectrum Analyser
9C1 - Temperature effects
AC Coupling (DC blocking) - Capacitors
AMU Properties - 4F1
Antennas - 4D2
Automatic Level Control - 3F5
Baluns - 4B1
Block diagrams - 3B1
Capacitance
Capacitance - Formula
Capacitor - working voltages
Capacitor charging and discharging
Capacitor reactance formula
Capacitor types
Circulating currents
Classes of bias - transistors
Components in AC
Components of a PA circuit - 3F3
Crystals
Current gain formula - Transistors
DC Coupling (AC blocking) - Inductors
Direct Digital Synthesis - 3C3
Effect of ionosphere on polarisation - 5B4
Electromagnetic waves in free space - 5A1
EM polarisation - 5A2
Equations - Transformers
ERP/EIRP
Feeder Loss - 4E3
Field Effect Transistors
Fourier Transform - 2F2
Frequency Multipliers - 3D1
Frequency synthesiser interference - 3G5
Full Exam Reference
fwbr.png
fwr.png
Galactic Noise - 5D1
Generator risks - 8F7
hwr.png
image.png
Impedance formula
Impedance transformation - 4F2
Inductance
Inductive reactance formula
Kirchhoff's Law & Power
LC Series - Resonance formula
Licence Conditions - 1C1
Licence Conditions - 1D1
Licence Conditions - 1E1
Licence Conditions - 1F1 & 1F2
Licence Conditions - 1G1
Licence Conditions - 1H1
Lightning - 8E1
LR circuit formula
Minimising drift 3C1
Mobile risks and precautions - 8F5
Modulation Index - 3A2
MUF and critical frequency - 5B2
Mutual inductance - Transformers
NVIS - 5B3
Ofcom Licence Conditions
Operating Practices and Procedures - 7A1
Oscillation interference - 3G4
Other useful links - PROPAGATION
Other useful links - TECHNICAL ASPECTS
Other useful links - TRANSMITTERS AND RECEIVERS
Overmodulation - 3G1
PA rating and modulation - 3F4
paraind.png
parallelcap.png
parares.png
Phased lock loop - 3C3
Phasors - 3M1
PME Systems - 8A2
Portable ops - 8F4
Power amp interference - 3G2
Power Equations
Q Factor formulas
quartz.png
Really useful map for seeing boundaries
Rectifier types
Resistance
Return loss - 4E2
RF exposure - 8D1
Risk assessment - 8F6
Sampling - 2F1
SDR signals - 3M2
Self Inductance, back EMF
Semiconductors deep dive
seriescaps.png
seriesind.png
seriesres.png
Solar flares and sunspots - 5B1
Solutions to interference - 3G3
Standing Wave Ratio - 4E1
Switch Mode Power Supply Block Diagram
Transformers - materials
Transistor circuit configurations
Useful links for studying
Useful portable antenna design website
Useful resource on superhet architecture
VHF Propagation - 5C3
Voltages in working equipment - 8A1
Wavelengths - 4D1
Welcome
Working on equipment - 8A6
Zener Diodes - Semiconductors