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K8AC-H Digtal Heater Element Burnout Detector
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Parallel Circuits
Parallel Circuits

... In Fig. 5–5b, with 20  of resistance for R1 connected across the 20-V battery, the current through R1 must be 20 V20   1 A. This current is electron flow from the negative terminal of the source, through R1, and back to the positive battery terminal. Similarly, the R2 branch of 10  across the b ...
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... List of Figures Figure 1. PECL output structure.................................................................................................................................1 Figure 2. PECL input structure........................................................................................... ...
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... 2.1 Upper SVL (USVL) The upper SVL circuit contains two PMOS connected in series and one NMOS in parallel of these two. A Clk is given to the NMOS. Both the PMOS are connected in series and there substrate are connected to each other and grounded ...
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... The 74CBTLV3861 is a 10-bit bus switch with one output enable (OE) input. When OE is LOW, the switch is closed and port A is connected to the B port. When OE is HIGH, the switch is disabled. To ensure the high-impedance OFF-state during power-up or power-down, OE should be tied to the VCC through a ...
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... The SSM2302 stereo Class-D audio amplifier features a filterless modulation scheme that greatly reduces the external components count, conserving board space and thus reducing systems cost. The SSM2302 does not require an output filter, but instead relies on the inherent inductance of the speaker co ...
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... Input voltage range, VI (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 7 V Voltage range applied to any output in the high-impedance or power-off state, VO (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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... trademarks of Invensys plc, its subsidiaries and affiliates. All other brands may be trademarks of their respective owners. All rights are strictly reserved. No part of this document may be reproduced, modified, or transmitted in any form by any means, nor may it be stored in a retrieval system othe ...
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... The three pins labeled VOLUME, SEDIFF, and SEMAX control the speaker (BTL) volume (VOLUME pin only) and the headphone (SE) volume. All three of these pins are controlled with a dc voltage. These voltages are a percentage of the voltage on the 5VREF pin. The 5VREF pin sources up to 5 mA when VCC = 12 ...
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... b a sinusoidal term at the fundamental frequency b sinusoidal terms (harmonics) whose frequencies are whole multiples of the fundamental frequency b a DC component, where applicable. The nth order harmonic (commonly referred to as simply the nth harmonic) in a signal is the sinusoidal component with ...
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... below). The devices can be installed next to each other without spacing between. • Ensure that the device cannot be heated up by heat sources below it. (The power loss is given in the type overview table, see page 83, Technical data). • Ground the device in accordance with local regulations. • Con ...
Thyro-A - Advanced Energy
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... below). The devices can be installed next to each other without spacing between. • Ensure that the device cannot be heated up by heat sources below it. (The power loss is given in the type overview table, see page 83, Technical data). • Ground the device in accordance with local regulations. • Con ...


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Current mirror

A current mirror is a circuit designed to copy a current through one active device by controlling the current in another active device of a circuit, keeping the output current constant regardless of loading. The current being 'copied' can be, and sometimes is, a varying signal current. Conceptually, an ideal current mirror is simply an ideal inverting current amplifier that reverses the current direction as well or it is a current-controlled current source (CCCS). The current mirror is used to provide bias currents and active loads to circuits. It can also be used to model a more realistic current source (since ideal current sources don't exist).The circuit topology covered here is one that appears in many monolithic ICs. It is a Widlar mirror without an emitter degeneration resistor in the follower (output) transistor. This topology can only be done in an IC as the matching has to be extremely close and cannot be achieved with discretes.Another topology is the Wilson mirror. The Wilson mirror solves the Early effect voltage problem in his design.
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