TREE

Here i share power amplifier based on IC TDA7236 . This amplifier require minimum voltage 0,9 volt and maximum voltage is 1, 6 volt , its very low voltage amplifier. You can use this amplifier everywhere just with one battery 1,5 volt. Power output 16 mW with 32 ohms impedance. see circut below :

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This circuit requires a voltage of 6-12 Volts. To have a good quality of this series with the voltage necessary suplly good too. The definition of good that is filtered and does not release much ripple voltage and using large-capacity condenser elco issued for the bass is strong enough. See below this circuit : Technical information about power amplifier with IC 5G37 Datasheet IC 5G31A Vcc                = 6-12 V Pout               = 0,4 W RL                 = 8 Ohm Ft                   = 40-17 Khz Icco               = 15 mA Package         = TABS1-14 Manufactered = China

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Here is the circuit of a linear power supply, which provides 0-30 volts , at one amp, maximum, using a discrete transistor regulator with op amp feedback to control the output voltage. The supply was constructed in 1975-6 & has a constant current mode that is used to recharge batteries. With reference to the schematic, lamp, LP2, is a power on indicator. The other lamp (lower) lights when the unit reaches its preset current limit. R5, C2, & Q10 (TO-3 case) operate as a capacitor multiplier. The 36 volt zen-er across C2 limits the maximum supply voltage to the op amps supply pins. D5, C4, C5, R15, & R16 provide a tiny amount of negative supply for the op amps so that the op amps can operate down to zero volts at the output pins (pins 6). A more modern design might eliminate these four parts & use a CMOS rail-to-rail op-amp. Current limit is set by R3, D1, R4, R6, Q12, R10, & R13 providing a bias to U2 that partially turns off transistors Q9 & Q11 when the curren...