Electrical materials. Rolled metal. Scheme, description

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ENCYCLOPEDIA OF RADIO ELECTRONICS AND ELECTRICAL ENGINEERING
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Electrical materials. Rolled metal. Encyclopedia of radio electronics and electrical engineering

Free technical library

Encyclopedia of radio electronics and electrical engineering / Electrical materials

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Parameters of steel angular equal-shelf are given in table. 1.22.

Table 1.22. Equal angle steel

Metal rolling

Channel steel parameters are given in table. 1.23.

Table 1.23. Channel steel

Metal rolling

Parameters of thin sheet steel are given in table. 1.24.

Table 1.24. Steel sheet thin

Metal rolling

Steel strip parameters are given in table. 1.25.

Table 1.25. Steel strip

Metal rolling

Steel strip parameters are given in table. 1.26.

Table 1.26. Steel tape

Metal rolling

Steel wire parameters are given in table. 1.27.

Table 1.27. Steel wire

Metal rolling

Parameters of hot rolled sheet steel are given in table. 1.28.

Table 1.28. Hot-rolled sheet steel

Metal rolling

Parameters of steel pipes are given in table. 1.29.

Table 1.29. Steel pipes

Metal rolling

Author: Koryakin-Chernyak S.L.

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Random news from the Archive

LM27761 Switched Capacitor Voltage Inverter with LDO 26.08.2016

Texas Instruments has introduced a new low voltage switched capacitor inverter. It provides very low noise at a regulated output for input voltages ranging from 2,7V to 5,5V.

Using four inexpensive capacitors, you can provide up to 250mA output current and -1,5V to -5V to power analog circuits, for example.

The LM27761 operates at 2 MHz to reduce output impedance and voltage ripple. With an operating current of 370 µA, the inverter delivers >80% efficiency and can be used in applications such as power amplifiers, DACs, and other applications requiring low output voltage noise.

Capabilities

Inverts and regulates the input supply voltage
Low output noise
Current consumption in off mode up to 7 μA (typ.)
Output current up to 250 mA
Inverter output impedance 2,5 ohm, at Vin = 5 V
Peak load regulation +- 4%
Current consumption 370 uA
Fixed frequency 2 MHz (typical) with low noise
LDO PSRR 35 dB (typical) at 2 MHz with 80 mA load current
Voltage drop across LDO 30mV, at 100mA, Vout= -5V
Current limit and thermal protection

Typical applications for LM27761:

Operational power amplifiers
Wireless communication systems
cellular
Power supplies
Portable measuring instruments
Amplifiers for Hi-Fi headphones
Data Converter Power

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