SUN SWITCH 2N3055

2N3055, look fantastic. can do very well as a phototransistor, like this schematics. This Power transistor should be light sensitif and it can do with cutting of up side transistor. the sensitif area which more wide can do like the new phototransisitor and do very sensitif.

READ MORE - SUN SWITCH 2N3055

1 Watt 2.3 GHz RF Amplifier Using a MRF2001

Simplicity and repeatabilty are feature in this 1-watt
S-Band amplifier design. The desing uses an MRF2001 transfer as a common base. Class C amplifier The amplifier deliver 1-watt output wi:r 8 dB minimum gain at 24 V. and Is tunable tram 225 to 235 GHz, Applications include microwave communications eqwpm.nt and other systems requiring medium power, narrow band amplification

More information Visit This Site

READ MORE - 1 Watt 2.3 GHz RF Amplifier Using a MRF2001

Infra/radio remote control transmitter/receiver with PIC

This is a general purpose remote control project with using programmable PIC microcontrollers. Schematics are shown for using infrared (RF) or radio (RF) media. If you are not familiar with microcontroller programming, you can use fixed encoder and decoder integrated circuits instead. Well-known such IC-s are Holtek HT-12D, HT-12E and Motorola MC145026, MC145027, MC145028.
for more information Visit This Site.

READ MORE - Infra/radio remote control transmitter/receiver with PIC