aboutsummaryrefslogtreecommitdiff
path: root/charts/capacitor-dielectric-absorption-noise-typical-magnitude.typ
diff options
context:
space:
mode:
Diffstat (limited to 'charts/capacitor-dielectric-absorption-noise-typical-magnitude.typ')
-rw-r--r--charts/capacitor-dielectric-absorption-noise-typical-magnitude.typ98
1 files changed, 98 insertions, 0 deletions
diff --git a/charts/capacitor-dielectric-absorption-noise-typical-magnitude.typ b/charts/capacitor-dielectric-absorption-noise-typical-magnitude.typ
new file mode 100644
index 0000000..d15bfb4
--- /dev/null
+++ b/charts/capacitor-dielectric-absorption-noise-typical-magnitude.typ
@@ -0,0 +1,98 @@
+#import "../lib/unify.typ": qty, unit
+#import "@preview/cetz:0.5.2"
+#import "@preview/cetz-plot:0.1.4": plot
+
+#figure(
+ cetz.canvas({
+ import cetz.draw: *
+
+ plot.plot(
+ size: (12, 9),
+ y-mode: "log",
+ x-label: [Time $t$ ($unit("s")$)],
+ y-label: [Residual Voltage $V_upright("DA")$ ($unit("mV")$)],
+ x-min: 0.001,
+ x-max: 9,
+ y-min: 0.01,
+ y-max: 500,
+ x-grid: "minor",
+ y-grid: "minor",
+ {
+ // 200 uV (0.2 mV) Metrologic systematic error budget limit
+ plot.add(
+ ((0.001, 0.2), (10, 0.2)),
+ style: (
+ stroke: (paint: luma(120), thickness: 0.8pt, dash: "dash-dotted"),
+ ),
+ label: [Budget limit ($qty(200, "uV")$)],
+ )
+ // Ceramic X7R (DA = 2.5%, 10 V step -> 250 mV initial soakage peak)
+ plot.add(
+ style: (stroke: (dash: "solid")),
+ label: [Ceramic (X7R / Class 2)],
+ domain: (0.001, 10),
+ samples: 10000,
+ t => (
+ 250
+ * (
+ 0.5 * calc.exp(-t / 0.01) + 0.3 * calc.exp(-t / 0.1) + 0.2 * calc.exp(-t / 1.0)
+ )
+ ),
+ )
+ // Polypropylene PP (DA = 0.05%, 10 V step -> 5 mV initial soakage peak)
+ plot.add(
+ style: (stroke: (dash: "dotted")),
+ label: [Polypropylene (PP)],
+ domain: (0.001, 10),
+ samples: 10000,
+ t => (
+ 5
+ * (
+ 0.5 * calc.exp(-t / 0.01) + 0.3 * calc.exp(-t / 0.1) + 0.2 * calc.exp(-t / 1.0)
+ )
+ ),
+ )
+ // Polystyrene PP (DA = 0.002, 10 V step -> 2 mV initial soakage peak)
+ plot.add(
+ style: (stroke: (dash: "dashed")),
+ label: [Polystyrene (PS)],
+ domain: (0.001, 10),
+ samples: 10000,
+ t => (
+ 2
+ * (
+ 0.5 * calc.exp(-t / 0.01) + 0.3 * calc.exp(-t / 0.1) + 0.2 * calc.exp(-t / 1.0)
+ )
+ ),
+ )
+ // Teflon PTFE (DA = 0.001, 10 V step -> 1 mV initial soakage peak)
+ plot.add(
+ style: (stroke: (dash: "dash-dotted")),
+ label: [Teflon (PTFE)],
+ domain: (0.001, 10),
+ samples: 10000,
+ t => (
+ 1
+ * (
+ 0.5 * calc.exp(-t / 0.01) + 0.3 * calc.exp(-t / 0.1) + 0.2 * calc.exp(-t / 1.0)
+ )
+ ),
+ )
+ // Class 1 C0G/NP0 Ceramic (DA = 0.005%, 10 V step -> 0.5 mV initial soakage peak)
+ plot.add(
+ style: (stroke: (dash: (6pt, 2pt, 2pt, 2pt))),
+ label: [Class 1 (C0G/NP0)],
+ domain: (0.001, 10),
+ samples: 10000,
+ t => (
+ 0.5
+ * (
+ 0.5 * calc.exp(-t / 0.01) + 0.3 * calc.exp(-t / 0.1) + 0.2 * calc.exp(-t / 1.0)
+ )
+ ),
+ )
+ },
+ )
+ }),
+ caption: [Capacitor dielectric absorption residual voltage relaxation ($V_upright("DA")$) over time following a $qty(10, "V")$ step voltage reset, comparing dielectric classes against the $qty(200, "uV")$ systematic error budget],
+) <figure-capacitor-dielectric-absorption-noise-typical-magnitude>