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What is 'Group 1' and 'Group 2' according to EN55011 / CISPR11

Categories: Electronics, EMC, Compliance
Uli Köhler

Uli Köhler

1 min read
Up to what frequency does radiated emissions need to be tested (CISPR 11 / EN55011)?

Categories: Compliance, Electronics, EMC
Uli Köhler

Uli Köhler

2 min read
What is the failure rate of opamps and comparators (FIT)?

Categories: Electronics, Reliability, Functional Safety
Uli Köhler

Uli Köhler

1 min read
Where to find the default ESP-IDF partition table CSVs?

Categories: ESP8266/ESP32, Electronics
Uli Köhler

Uli Köhler

0 min read
How large is the ESP32-Pico flash size?

Categories: ESP8266/ESP32, Electronics
Uli Köhler

Uli Köhler

0 min read
KiKit: How to add JLCPCB-compatible edge rails

Categories: Electronics, JLCPCB
Uli Köhler

Uli Köhler

0 min read
What are Bands A,B,C,D,E for EMI receivers

Categories: Electronics, EMI
Uli Köhler

Uli Köhler

0 min read
Plotting microstrip impedance vs width using UliEngineering

Categories: Electronics, RF
Uli Köhler

Uli Köhler

11 min read
What does H/HOZ mean in PCB manufacturing

Categories: Electronics
Uli Köhler

Uli Köhler

0 min read
Prepreg and core thickness for different standard stackups

Categories: Electronics, RF
Uli Köhler

Uli Köhler

6 min read