PDU format of SMS |
Sending SMS messages, PDU format, protocol, characteristics. |
2.90 |
4,867 |
Photo etch circuit board process |
This article goes through the steps required to photo etch your own copper clad circuit boards. |
2.91 |
4,362 |
Planar process |
Lection from high-school, planar process, manufacturing of semiconductors. |
2.84 |
1,444 |
Power measurement mW-dBm |
Measurement (relation) of power in W and gain in dB. |
2.90 |
2,976 |
Power rectifiers |
Document about basic power rectifiers. |
2.94 |
8,500 |
RC circuit |
Basic RC circuit. |
2.90 |
9,487 |
RC circuit - examples |
Examples of basic RC circuit exercises. |
3.06 |
2,512 |
Radio broadcast bands |
Frequencies of radio broadcasting bands. |
2.94 |
1,866 |
Radio frequency |
Receivers, even a schematic diagram of receiver for 2m (144 MHz). |
2.86 |
2,633 |
Radio transmitters |
All about radio transmitters with schematics of some transmitters. |
2.93 |
5,025 |
SMD codebook |
SMD - SMT components table and replacements. |
2.93 |
5,550 |
Specifications of common transistors |
Specifications of common and popular transistors |
2.88 |
3,511 |
Transistor as a switch |
Using transistor as a switch. |
2.89 |
6,938 |
Transistor as an amplifier |
Using transistor as an amplifier. |
2.92 |
4,807 |
Transistor packages |
Transistor packages with pictures and pinouts. |
2.94 |
4,833 |