Newton C. Braga 
100 Circuits – Audio 1 [EPUB ebook] 

During the long career of the author as a writer of technical articles and books, he have on several occasions addressed the theme ‘collection of circuits’, also including information. Thus, previously, addressing this theme, he published the series ‘Circuits and Information’ (7 volumes) and ‘Circuits and Solutions’ (5 volumes) containing hundreds of useful circuits and technical information of all kinds. The series has run out, time has passed, but readers still charge us something similar updated and that can still be used in projects of all kinds. In fact, basic circuits using ordinary discrete components, from transistors to integrated circuits, are still widely used as simple solutions for immediate problems, part of more advanced projects and even for didactic purposes, at the request of a teacher who needs an application for a theory. So, he is back with this series, but with a differentiated structure, new projects and a new approach. The difference in approach will be to divide the various volumes of the series by themes, we will have audio circuits, such as amplifiers, preamplifiier, mixers, etc. In his stock of circuits, collected from all possible sources, he already have more than 12, 000 of them, many of which can be accessed in a dispersed way in the site of the author. The advantage of having these circuits organized in volumes, besides access anywhere, is in the easy location of a circuit. The information, on the other hand, will be added to the circuits, with internal links, which is only possible in a digital publication. Most of these circuits, collected in publications that, in some cases, may not be very current, receive a special treatment with comments, suggestions and updates that make possible its execution even in our days.

विषयसूची

1) Simple mixer
2) Bass and Treble Control
3) RIAA Preamplifier
4) Parametric Equalizer
5) Super-Bass Amplifier
6) CMOS Mixer
7) Microphone Booster
8) Pre Amplifier for Crystal Microphone With 741
9) Magnetic Pickup Preamplifier Using the 741
10) General Purpose Preamplifier
11) Bass-Booster Preamplifier with 741
12) Preamplifier for Magnetic Microphones with 741
13) Preamplifier for Low Impedance Microphone
14) Low Impedance Preamplifier
15) RIAA Preamplifier Powered By USB
16) Simple Preamplifier Simple
17) Simple Preamplifier II
18) Preamplifier with Several Gains
19) Cassette Recorder Preamplifier
20) Microphone Preamplifier II
21) Preamplifier for Low Impedance Microphone II
22) Active Tone Control with the 741 IC
23) RIAA Preamplifier II
24) Bass, Middle, and Treble Control with 741
25) NAB Preamplifier
26) High Impedance Preamplifier
27) Microphone Preamplifier
28) Scratch Filter for Turntable
29) Rumble Filter
30) Bass Boost
31) Noise Limiter
32) Preamplifier with Virtual Ground
33) Audio Limiter
34) Active Crossover
35) Parametric Equalizer II
36) Audio Booster
37) Audio Switch
38) Rumble Filter II
39) Scratch Filter II
40) Medium Control
41) 60 Hz filter
42) Audio Preamplifier
43) RIAA Preamplifier III
44) General Purpose Preamplifier II
45) Universal Preamplifier for Microphone
46) Transistor Amplifier Stage
47) Voice Booster
48) Low Impedance Microphone Preamplifier III
49) Sub-Woofer Filter
50) Bass, Middle and Treble Control II
51) 700 m W amplifier with LM386
52) Telephone amplifier with LM386
53) Class A Amplifier – 10 W
54) Small Amplifier
55) Complementary Mini Amplifier
56) Small Amplifier for Microphone – LM386
57) Headphones Amplifier
58) 1.5 W Transistor Amplifier
59) 3-W Amplifier with MOSFET
60) Amplifier using the LM380 IC
61) Low power transistor amplifier
62) Transistor Amplifier with the BC548-BC558
63) Old Transistor Amplifier
64) High Quality Amplfier for Headphones
65) Darlington Audio Stage
66) 4-Watt Transistor Amplifier
67) 1-W Transistor Amplifier
68) General Purpose Phone Amplifier
69) Amplifier for Earphones II
70) Headphones Amplifier III
71) 1-W Headphones Amplifier
72) Mini Amplifier
73) Bridge LM388 Amplifier
74) MOSFET Power Stage
75) 5.5 W Amplifier – LA4420
76) Stereo Headphones Amplifier
77) Amplifier with 741 – I
78) Amplifier with 741 – II
79) Audio Power Amplifier with 741
80) 280 m W amplifier with 741
81) Two-Transistor Amplifier
82) Amplifier for Telephone Pickup
83) Amplifier for Telephone Pickup – II
84) Telephone Amplifier with TDA7052
85) 280 m W Amplifier Using the 741 OA – II
86) Small Amplifier
87) PWM Amplifier (Class D)
88) Amplifier V 5 x 60 m W – TTL
89) Megaphone
90) Power Stage with TIP31
91) M150 Amplifier- Ibrape
92) 10 W Transistor Amplifier
93) 10 W-Transistor Amplifier II
94) Hybrid Amplifier – 10 or 20W
95) 15W MOSFET Amplifier
96) 7W Amplifier with LM383
97) Class A Amplifier – 2N3055
98) LM386 Amplifier with 741 Preamplifier
99) Transistor Amplifier – TIP31 / 32
100) 5 W Amplifier – TIP31-TIP32

लेखक के बारे में

Born November 6, 1946, in São Paulo, Brazil; son of Americo de Carvalho (a teacher) and Dirce (a teacher) Braga; married Neuza Ferreira Lima, November 16, 1979; children: Marcelo Lima. Religion: Roman Catholic. Hobbies and other interests: Astronomy, robotics, soccer, painting. Memberships: Lions Club. Addresses: Home: Rua Vera, 311, Guarulhos, São Paulo 07096, 020 Brazil. Instituto Newton C. Braga Ltda, Rua Vera 311 – Jardim Santa Mena – 07096-020 – Guarulhos – SP – Brazil – E-mail: [email protected].
Educator, editor, and author. Instituto Newton C. Braga Ltda – Guarulhos – SP, Brazil, president; Colegio Mater Amabilis, instructor in mechatronics, 1999–. Consultant to Community Technical School.
Best Book of the Year designation, Anomalist magazine, 2001, for Electronics Projects from the Next Dimension.