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Introduction to Class AB Amplifiers
Documentation in acrobat format
(K48)
Using amplifier modules is modern, quick and easy but it teaches nothing about how they work. Here is a Class AB amplifier made from individual components which will deliver several watts of power into an ordinary 8 ohm speaker. Gives hands-on learning about cross-over distortion, bootstrapping, complementary pairs, and push-pull. Detailed explanations given. Terminal strips are used for inputs and outputs. Use two 9 volt batteries. PCB Size: 2in (L) X 1.5in (W) (CPS48)
Quantity
Price
1 – 9
$14.82
10 – 99
$14.04
100 +
$12.87
Skill Level of Item:
(Kit - Basic Soldering Required)
Product #
CPS48
Quantity Available:
16
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Stereo Preamplifier - Tone Control Unit
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the Philips TDA 1524A. This contains all the
circuitry required to provide up to 20 dB of
voltage gain, +/-15 dB of bass and treble
control, channel balance, and a switchable
loudness contour.
Specification
D.C. Input : 15V DC supply or 12V DC battery. 50 mA min.
Maximum output : > 3 V RMS
Maximum input : > 300 mV, G = 20 dB
> 3V RMS, G = 0dB. Input Z > 10 k ohm. Output Z < 300 ohm
Frequency resp. : < 10 Hz to > 50 kHz + / – 1 dB
THD at 1kHz : < 0.1 % at 1V output
S/N ratio : > 80 dB, G = 0 dB
Bass boost/cut ~ 15 dB at 50 Hz
Treble boost/cut ~ 15 dB at 15 kHz
PCB size: 4 inches x 2 1/4 inches. (CPS100)
Quantity
Price
1 – 9
$24.71
10 – 99
$22.95
100 +
$22.19
Skill Level of Item:
(Kit - Basic Soldering Required)
Product #
CPS100
Quantity Available:
12
