Circuit collection of the tonieletronica with audio amplifier, rf circuits, power supplies, battery chargers, instrumentation Bench, Illumination and Led circuit

Amplifier and audio in general

• Potent amplifier using 2n3055.
• 20 W Audio Amplifier using the tda7375.
• Circuit potent audio amplifier in bridge using integrated circuit TDA2005.
• Circuit of graphic equalizer of 7 bands using it integrated la3607 of Sanyo.
• Audio amplifier 100W with compact and potent amplifying excellent TDA7295 in an only chip, ideal for systems of involving sound.
• Audio Amplifier using tda7294S high efficiency, to hi-fi 100W potency.
• Amplifier with lm386  400mW.

Battery chargers

• Charger with lm317T - Charger for car battery excellent charger that is going reducing the load current in the measure that the battery goes being carried, like this avoiding overload and increasing the useful life of the battery.
• Battery Gel Charger- A high performance charger for gelled electrolyte lead-acid batteries.
• 50mA Constant Current Battery Charger -Two terminal current regulators can be made with fixed-output regulators (15mA- 1.5A ).

power source

• Source 1.5 to 30 volts 1.5 amperes with Lm317.
• Source 1.5 to 30 volts 3 amperes with lm350k.
  
• Source 13.7 Volts 10 amperes or 30 amperes with source computer ATX.
• Source with 78xx - Circuit of power source using circuit integrated regulator of tension of the family 78xx.
• How to project circuits of power source using integrated circuit of the family 78xx.

Instrumentation Bench

• Lc meters with PIC - Indutimeter Capacimeter - ideal equipment for supported of who works with circuits of RF.
• Indutimeter for multimeter - circuit to transform your digital multimeter in a meter of inductances.
• Module temperature meter for multimeter (it probes thermometer) with LM35 of the National semiconductor. Increase the possibilities of measures of your multimeter.
  

Illumination and Led

• Dimmer AC - Dimmer with Triac.
• Shines rhythmic with 4017, circuit that it does with that shine they light in agreement with sound, image in the format gif
  

Transmitters and RF in general

• Lineal  Amplifier of RF - Potent amplifier of RF using the transistor BLY90, for about 60 W of exit.
• transmitter Tv1 video Transmitter (DVD, video cassette, camera, computer) of the type video link, using the ic Lm1889n, for 500 meters.
• Transmitter of TV 2 - PC TV transmitter to be used internally, for 100 meters Updated.
• Micro transmitter of FM - Mini transmitter of FM, good for espionage and amusement in general, for 50 meters.
• Booster TV UHF - Booster for amplifier the signal of your TV.
• Potent transmitter of FM with 2n2218 - This transmitter can arrive the more than 1 km in favorable conditions of emission.
• Fm transmitter - Circuit of micro transmitter of FM using transistor bf494 or bf495.

Several

• Circuit to test car fuse - practical Schematic to find fuse with defect
  Sometimes to find a fuse with defect in a car, we have to check one for an until finding the defective
.