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the audio power amplifier circuits stereo system using audio power amplifier circuits in addition to the above the thick film power amplifier is introduced, and semiconductor integrated circuit computing power amplifier circuits (high magnification and depth of the negative feedback amplifier directly.
Common audio power amplifier circuits are TA7227, TA7270, TA7273, TA7240P, TDA1512, TDA1520, TDA1521, TDA1910, TDA2003, TDA2004, TDA2005, TDA2008, TDA1009,
TDA7250, TDA7260, PC1270H muon PC1185 muon, PC1242 mu, HA1397, HA1377, AN7168, AN7170, LA4120,,
LA4180, LA4190, LA4420, LA4445, LA4460, LA4500, LM12, LM1875, LM2879 LM3886, etc.
2 the digital delay IC digital IC card is mainly used for delay in the system, and meet OK by its internal usually filters, A/D converter, D/A converter, memory, the logic circuit control, automatic reset circuit, etc.
Common digital delay YX8955 have TC9415, integrated circuit, IN706, ES56033, CXA1644, CU9561, BU9252, BA5096, PT2398, PT2395, GY9403, GY9308, YSS216, M65850P, M65840, M65835, M65831, M50199, M50195 M50194, etc.
3 two 3D Surround channels with integrated circuit of the sound system using three-dimensional (3D) channels 2 Surround system has Spatializer, qq, Surround SRS and YMERSION TM and virtual dolby Surround system.
Common SRS treatment integrated circuits have SRSS5250S NJM2178, etc.
Spatializer processing integrated circuits have EMR4.0 PSZ740, etc. With integrated circuit has Surround Q QS7777 etc.
YMERSION TM processing integrated circuit has YSS247 etc.
4 dolby directional logic surround decoder integrated circuit dolby directional logic surround decoding system will be processed after dolby code right and left two soundtrack signal demodulation reductive into four track (front left, right sound channel, and channel in rear, surround channels) audio signal.
Common dolby directional logic surround decoding integrated circuit has M69032P, M62460, LA2785, LA2770, NJW1103, YSS215, YSS241B, SSMS - 2125, etc. 2126 SSMS -
5. Digital surround sound system of decoding integrated circuits using digital surround system is dolby digital AC - 3) (DTS system, system and two kinds of audio recording system for independence and replay all six channel (i.e., including 5.1 channel front left, right, left, track and surround, right around, the mega bass channel).
Common dolby digital integrated circuits have decoded surround sound YSS243B YSS902, etc.
Common DTS digital surround decoding integrated circuit has DSP56009, DSP56362 CS4926, etc.
BBE quality enhancement integrated circuit has BA3884, XR1071, XR1072, XR1075, M2150A NJM2152, etc.
7. The volume control IC electronic volume control IC is using dc voltage or serial data control can gain amplifier, its internal general attenuator, latches, shift register, multilevel conversion circuit, etc.
Common electronic volume control circuits are TA7630P, TC9154P, TC9212P, LC7533, XR1051, M51133P, AN7382, TCA730A, TDA1524A, LM1035, LM1040 M62446, etc.
8. Electronic switch electron switch integrated circuit is adopted integrated circuit dc voltage or serial data control multi-channel electronic interlock switch integrated circuit, internal general by logic control, level conversion, latches, change registers, analog switch circuit, etc.
Common electronic switch integrated circuits have LC7815 (4), double LC7820 (10), double LC7823 (7), double TC9162N (7), double TC9163N (8), double double TC9164N (8), (5) TC9152P double TC4052BP (double 4 road and etc).
9. The speaker protection IC speaker protection IC can appear in the amplifier circuit fault, overload or overvoltage, the speaker system and amplifier circuit disconnected, so as to achieve the speakers and amplifier circuit protection. The speaker protection IC internal general by detection circuit, flip-flop, static circuit and relay drive circuit, etc.
The speaker used to protect HA12002, integrated circuit has TA7317 PC1237 mu, etc.
The preamplifier circuits preamplifier circuits belongs to the low noise and low distortion and high gain, wideband amplifier, have high input impedance and good linear.
Common preamplifier circuits are NE5532, NE5534, NE5535, OP248, TL074, TL082, TL084, LM324, LM381, LM382, LM833, LM837 |
