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Posts tagged +7v

Voltage Regulator circuit

3v – 30V 3A Voltage Regulator circuit using UA723 and 2n3055 3v – 30V 3A Voltage Regulator circuit using UA723 and 2n3055 IC ………….. uA723 TR1 …………. 2N3053 TR2 …………. 2N3055 TR3 …………. 2N3055 R1 ………….. 3,3K R2 ………….. 1k ohm R3 ………….. 1,2K ohm R4 ………….. 100 ohm R5-R6-R7-R8-R9 .. 1 ohm C1 ………….. […]

Booster Audio mixer circuit diagram

  Booster Audio mixer circuit diagram using KA22242 DUAL EQUALIZER PRE-AMPLIFIER WITH ALC The KA22242 is a monolithic integrated circuit consist-ing of a dual equalizer amplifier with ALC and Mute function, and it is suitable for stereo radio cassette tape recorders. APPLICATION INFORMATION DESCRIPTION OF KA22242 The KA22242 has a simple package, 10-pin and built-in […]

How to make a tv antenna

How to make a tv antenna There are some simple yet effective homemade TV Antenna designs that can be built at home with tv antenna circuit using BF180

Audio Filter Circuit without voltage

Audio Filter Circuit without voltage Audio Filter Circuit without voltage

Power Supply soft start

How to start power supply ? and slow start power supply ? Power Supply soft start Circuit diagram design How to start power supply ? and slow start power supply ?

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