Showing posts with label 3. Show all posts
Showing posts with label 3. Show all posts
Sunday, July 7, 2013
Using LTC3601 3 3V DC Power Converter
This Dc power converter circuit is designed LTC3601 from Linear Technology and is capable to up to 1.5A output current at a 3.3V. The LTC3601 operating supply voltage range is from 4V to 15V making it suitable for a wide range of power supply applications. The operating frequency of the LTC3601 buck regulator is programmable from 800kHz to 4MHz with an external resistor enabling the use of small surface mount inductors.
The LTC3601 buck regulator can operate in two modes: Burst Mode operation and forced continuous mode to allow the user to optimize output voltage ripple, noise, and light load efficiency for a given application.
Monday, April 1, 2013
Simple 3 Channel Audio Splitter
Simple circuitry, Passive high-quality amplification and distribution
This circuit is suitable to amplify and distribute the audio signals. The input audio signal is applied to the J1 and after passing through the P1, It is buffered and amplified by the IC1 prepared to redistribute. It has 3 outputs to drive 3 audio lines with 300 ohms impedance.
J1 = RCA Socket (See Notes)
P1 = 100K-Potentiometre
R* = 10K-100K
R1 = 560K
R2 = 1K
R3 = 2.2K
R4 = 2.7K
R5 = 2.7K
R6 = 330R
R7 = 330R
R8 = 330R
C1 = 100uF-25V
C2 = 100uF-25V
C3 = 100uF-25V
D1 = BZX79C18
D2 = BZX79C18
Q1 = BC337
Q2 = BC327
IC1 = NE5532-34
Notes:
- J1 will be RCA Audio input female socket.
- R* is on your choice it can be choose between 10K to 100K resistor.
- Output capacitor’s value is between 100uf to 470uf and power handling is 25V to 50V.
- You can power up this circuit via +12V/-12V regulated supply but you have to remove following parts Q1-Q2-C2-C3-D1-D2.
- Maximum power ratings +35V/-35V
Source : www.ecircuitslab.com/2011/05/three-channel-audio-splitter.html
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