Update content - 2026-10-10

2026-10-10 21:26:50 +02:00
1 parent ce7e7d8c5a
commit 23a599b47f
@@ -40,38 +40,14 @@ This displacement current flows when charges are added or removed from the plate

 </div>

-
-### Introduction {#introduction}
-
-
-### Charges and Electrons {#charges-and-electrons}
-
-
-### The electric force field {#the-electric-force-field}
-
-
-### Field representation {#field-representation}
-
 <a id="figure--fig:morrison16-E-field-charge"></a>

 {{< figure src="/ox-hugo/morrison16_E_field_charge.svg" caption="<span class='figure-number'>Figure 1: </span>The force field lines around a positively chaged conducting sphere" >}}

-
-### The definition of voltage {#the-definition-of-voltage}
-
-
-### Equipotential surfaces {#equipotential-surfaces}
-
-
-### The force field or \\(E\\) field between two conducting plates {#the-force-field-or-e-field-between-two-conducting-plates}
-
 <a id="figure--fig:morrison16-force-field-plates"></a>

 {{< figure src="/ox-hugo/morrison16_force_field_plates.svg" caption="<span class='figure-number'>Figure 2: </span>The force field between two conducting plates with equal and opposite charges and spacing distance \\(h\\)" >}}

-
-### Electric field patterns {#electric-field-patterns}
-
 <a id="figure--fig:morrison16-electric-field-ground-plane"></a>

 {{< figure src="/ox-hugo/morrison16_electric_field_ground_plane.svg" caption="<span class='figure-number'>Figure 3: </span>The electric field pattern of one circuit trace and two circuit traces over a ground plane" >}}
@@ -80,44 +56,11 @@ This displacement current flows when charges are added or removed from the plate

 {{< figure src="/ox-hugo/morrison16_electric_field_shielded_conductor.svg" caption="<span class='figure-number'>Figure 4: </span>Field configuration around a shielded conductor" >}}

-
-### The energy stored in an electric field {#the-energy-stored-in-an-electric-field}
-
-
-### Dielectrics {#dielectrics}
-
-
-### The \\(D\\) field {#the-d-field}
-
 <a id="figure--fig:morrison16-E-D-fields"></a>

 {{< figure src="/ox-hugo/morrison16_E_D_fields.svg" caption="<span class='figure-number'>Figure 5: </span>The electric field pattern in the presence of a dielectric" >}}


-### Capacitance {#capacitance}
-
-
-### Mutual capacitance {#mutual-capacitance}
-
-
-### Displacement current {#displacement-current}
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-
-### Energy stored in a capacitor {#energy-stored-in-a-capacitor}
-
-
-### Forces in the electric field {#forces-in-the-electric-field}
-
-
-### Capacitors {#capacitors}
-
-
-### Dielectric absorption {#dielectric-absorption}
-
-
-### Resistance of plane conductors {#resistance-of-plane-conductors}
-
-
 ## Magnetics {#magnetics}

 <div class="sum">
@@ -325,87 +268,6 @@ Radiation occurs at the leading edge of a wave as it moves down the transmission
 </div>


-### Introduction {#introduction}
-
-
-### The Transport of Electrical Energy {#the-transport-of-electrical-energy}
-
-
-### Transmission Lines–Introduction {#transmission-lines-introduction}
-
-
-### Transmission Line Operations {#transmission-line-operations}
-
-
-### Transmission line field patterns {#transmission-line-field-patterns}
-
-
-### A terminated transmission line {#a-terminated-transmission-line}
-
-
-### The unterminated transmission line {#the-unterminated-transmission-line}
-
-
-### A short circuit termination {#a-short-circuit-termination}
-
-
-### The real world {#the-real-world}
-
-
-### Sine waves versus step voltages {#sine-waves-versus-step-voltages}
-
-
-### A bit of history {#a-bit-of-history}
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-
-### Ideal conditions {#ideal-conditions}
-
-
-### Reflection and tramission coefficients {#reflection-and-tramission-coefficients}
-
-
-### Taking energy from an ideal energy source {#taking-energy-from-an-ideal-energy-source}
-
-
-### A capacitor as a transmission line {#a-capacitor-as-a-transmission-line}
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-
-### Decoupling capacitors and natural frequencies {#decoupling-capacitors-and-natural-frequencies}
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-
-### Printed circuit boards {#printed-circuit-boards}
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-
-### Two-layer logic boards {#two-layer-logic-boards}
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-
-### Vars {#vars}
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-
-### The termination of transmission lines {#the-termination-of-transmission-lines}
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-
-### Energy in the ground/power plane capacitance {#energy-in-the-ground-power-plane-capacitance}
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-
-### Poynting's vector {#poynting-s-vector}
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-### Skin effect {#skin-effect}
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-### Measurement problems: ground bounce {#measurement-problems-ground-bounce}
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-### Balance transmission {#balance-transmission}
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-
-### Ribbon cable and connectors {#ribbon-cable-and-connectors}
-
-
-### Interfacing analog and digital circuits {#interfacing-analog-and-digital-circuits}
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-
 ## Analog Circuits {#analog-circuits}

 <div class="sum">
@@ -548,9 +410,6 @@ Note that the secondary coil is connected to the circuit common conductor.
 {{< figure src="/ox-hugo/morrison16_power_transformer_enclosure.png" caption="<span class='figure-number'>Figure 12: </span>A power transformer added to the circuit enclosure" >}}


-### The two-ground problem {#the-two-ground-problem}
-
-
 ### Instrumentation and the two-ground problem {#instrumentation-and-the-two-ground-problem}

 The basic analog problem is to condition a signal associated with one ground reference potential and transport this signal to a second ground reference potential without adding interference.
@@ -560,15 +419,6 @@ The basic analog problem is to condition a signal associated with one ground ref
 {{< figure src="/ox-hugo/morrison16_two_ground_problem.svg" caption="<span class='figure-number'>Figure 13: </span>The two-circuit enclosures used to transport signals between grounds" >}}


-### Strain-gauge instrumentation {#strain-gauge-instrumentation}
-
-
-### The floating strain-gauge {#the-floating-strain-gauge}
-
-
-### The thermocouple {#the-thermocouple}
-
-
 ### The basic low-gain differential amplifier (forward referencing amplifier) {#the-basic-low-gain-differential-amplifier--forward-referencing-amplifier}

 <a id="figure--fig:morrison16-low-gain-diff-amp"></a>
@@ -576,15 +426,6 @@ The basic analog problem is to condition a signal associated with one ground ref
 {{< figure src="/ox-hugo/morrison16_low_gain_diff_amp.svg" caption="<span class='figure-number'>Figure 14: </span>The low-gain differential amplifier applied to the two-ground problem" >}}


-### Shielding in power transformers {#shielding-in-power-transformers}
-
-
-### Calibration and interference {#calibration-and-interference}
-
-
-### The guard shield above 100kHz {#the-guard-shield-above-100khz}
-
-
 ### Signal flow paths in analog circuits {#signal-flow-paths-in-analog-circuits}

 <div class="important">
@@ -605,12 +446,6 @@ Here are a few rule that will help in analog board layout:
 </div>


-### Parallel active components {#parallel-active-components}
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-### Feedback stability - Introduction {#feedback-stability-introduction}
-
-
 ### Feedback theory {#feedback-theory}

 <a id="figure--fig:morrison16-basic-feedback-circuit"></a>
@@ -622,21 +457,6 @@ Here are a few rule that will help in analog board layout:
 {{< figure src="/ox-hugo/morrison16_LR_stabilizing_network.svg" caption="<span class='figure-number'>Figure 16: </span>An LR-stabilizing network" >}}


-### Output loads and circuit stability {#output-loads-and-circuit-stability}
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-### Feedback around a power stage {#feedback-around-a-power-stage}
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-### Constant current loops {#constant-current-loops}
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-### Filters and aliasing errors {#filters-and-aliasing-errors}
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-### Isolation and DC-to-DC converters {#isolation-and-dc-to-dc-converters}
-
-
 ### Charge converter basics {#charge-converter-basics}

 In vibration analysis, piezoelectric sensors are used which are electrically equivalent to a capacitor.
@@ -677,18 +497,6 @@ It converts a charge signal to a voltage.
 {{< figure src="/ox-hugo/morrison16_charge_amplifier_feedback_resistor.svg" caption="<span class='figure-number'>Figure 18: </span>The resistor feedback arrangement to control the low-frequency response" >}}


-### DC power supplies {#dc-power-supplies}
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-### Guard rings {#guard-rings}
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-### Thermocouple effects {#thermocouple-effects}
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-### Some thoughts on instrumentation {#some-thoughts-on-instrumentation}
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-
 ## Utility Power and Facility Grounding {#utility-power-and-facility-grounding}

 <div class="sum">
@@ -711,136 +519,6 @@ Solar winds can disrupt power distribution and damage oil pipelines.
 </div>


-### Introduction {#introduction}
-
-
-### Semantics {#semantics}
-
-Here are the key words used by a power engineer as defined by the NEC:
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-Ground
-:
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-Equipment ground
-:
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-The grounded conductor
-:
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-The ungrounded conductor
-:
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-Neutral
-:
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-Isolated ground
-:
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-Service entrance
-:
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-Grounding electrode system
-:
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-Feeder circuit
-:
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-Branch circuit
-:
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-Separately derived power
-:
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-Listed equipment
-:
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-### Utility power {#utility-power}
-
-
-### The earth as a conductor {#the-earth-as-a-conductor}
-
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-### The neutral conneciton to earth {#the-neutral-conneciton-to-earth}
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-
-### Group potential differences {#group-potential-differences}
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-
-### Field coupling to power conductors {#field-coupling-to-power-conductors}
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-### Neutral conductors {#neutral-conductors}
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-### \\(k\\) factor in transformers {#k-factor-in-transformers}
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-### Power factor correction {#power-factor-correction}
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-
-### Ungrounded power {#ungrounded-power}
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-
-### A request for power {#a-request-for-power}
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-### Earth power currents {#earth-power-currents}
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-
-### Line filters {#line-filters}
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-### Isolated grounds {#isolated-grounds}
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-### Facility ground - Some history {#facility-ground-some-history}
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-### Ground planes in facilities {#ground-planes-in-facilities}
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-### Other ground planes {#other-ground-planes}
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-### Ground planes at remote sites {#ground-planes-at-remote-sites}
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-### Extending ground planes {#extending-ground-planes}
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-
-### Lightning {#lightning}
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-### Lightning and facilities {#lightning-and-facilities}
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-### Lightning protection for boats and ships {#lightning-protection-for-boats-and-ships}
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-### Grounding of boats and ships at dock {#grounding-of-boats-and-ships-at-dock}
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-### Aircraft grounding (fueling) {#aircraft-grounding--fueling}
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-### Ground Fault Interruption (GFI) {#ground-fault-interruption--gfi}
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-### Isolation transformers {#isolation-transformers}
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-
 ## Radiation {#radiation}

 <div class="sum">
@@ -860,45 +538,6 @@ Simple tools for locating sources of radiation are suggested.
 </div>


-### Handling radiation and susceptibility {#handling-radiation-and-susceptibility}
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-
-### Radiation {#radiation}
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-### Sine waves and transmission lines {#sine-waves-and-transmission-lines}
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-### Approximations for pulses and square waves {#approximations-for-pulses-and-square-waves}
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-### Radiation from components {#radiation-from-components}
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-### The dipole antenna {#the-dipole-antenna}
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-### Wave impedance {#wave-impedance}
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-### Field strength and antenna gain {#field-strength-and-antenna-gain}
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-### Radiation from loops {#radiation-from-loops}
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-### E-field coupling to a loop {#e-field-coupling-to-a-loop}
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-### Radiation from printed circuit boards {#radiation-from-printed-circuit-boards}
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-### The sniffer and the antenna {#the-sniffer-and-the-antenna}
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-
-### Microwave ovens {#microwave-ovens}
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-
 ## Shielding from Radiation {#shielding-from-radiation}

 <div class="sum">
@@ -951,72 +590,6 @@ The characteristic impedance of a transmission line is a function of the conduct
 To transport RF power without reflections, the source impedance and the terminating impedance must match the line impedance.


-### Low-noise cables {#low-noise-cables}
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-### Transfer impedance {#transfer-impedance}
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-
-### Waveguides {#waveguides}
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-
-### Electromagnetic fields over a ground plane {#electromagnetic-fields-over-a-ground-plane}
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-
-### Fields and conductors {#fields-and-conductors}
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-
-### Conductive enclosures - Introduction {#conductive-enclosures-introduction}
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-
-### Coupling through enclosure walls by an induction fields {#coupling-through-enclosure-walls-by-an-induction-fields}
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-
-### Reflection and absorption of field energy at a conducting surface {#reflection-and-absorption-of-field-energy-at-a-conducting-surface}
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-
-### Independent apertures {#independent-apertures}
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-### Dependent apertures {#dependent-apertures}
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-### Honeycombs {#honeycombs}
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-### Summing field penetrations {#summing-field-penetrations}
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-### Power line filters {#power-line-filters}
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-### Backshell connectors {#backshell-connectors}
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-### H-field coupling {#h-field-coupling}
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-### Gaskets {#gaskets}
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-### Finger stock {#finger-stock}
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-### Glass apertures {#glass-apertures}
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-### Guarding large transistors {#guarding-large-transistors}
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-### Mounting components on surfaces {#mounting-components-on-surfaces}
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-
-### Zappers {#zappers}
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-
-### Shielded and screen rooms {#shielded-and-screen-rooms}
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-
 ## Bibliography {#bibliography}

 <style>.csl-entry{text-indent: -1.5em; margin-left: 1.5em;}</style><div class="csl-bib-body">