Working principle of H bridges
Channel: HomoFaciens
Date: 2013-03-09

Content:
00:13 Constant resistors
01:18 Bipolar junction transistors
03:14 Connecting a load
04:26 Base current / series resistors
04:49 MOSFETs
05:44 Two input clamps
06:42 Maximal supply voltage
07:24 Cross conduction / shoot through
09:12 Destroying H bridges by faulty control
09:54 Turn-on delay
11:28 Pulse-width modulation
13:12 Controlling a load by PWM
13:53 Voltage level conversion
15:26 Flyback diodes
16:18 Spinning motor
17:28 Dynamic braking
18:34 H bridge composed of N-channel MOSFETs
21:12 Integrated circuit

The chapter about H bridges at the project page:
http://www.homofaciens.de/technics-base-circuits-h-bridge_en_navion.htm