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Chapter 2
Chapter 2

OP1177/OP2177/OP4177
OP1177/OP2177/OP4177

... OP1177 is the fourth generation of ADI’s industry standard OP07 amplifier family. OP1177 is a very high-precision, low-noise operational amplifier with the highly desirable combination of extremely low offset voltage and very low input bias currents. Unlike JFET amplifiers, the low bias and offset c ...
6487 - Nortelco Electronics AS
6487 - Nortelco Electronics AS

... The Model 6487 Picoammeter/Voltage Source can be paired with a calibrated light source and a probing fixture to create a cost-effective photodiode test system. Multiple Model 6487s can be connected to the DUT’s probe pads to provide photocurrent readings or, with the addition of a switch matrix, one ...
LM2937 - Solarbotics.net
LM2937 - Solarbotics.net

Low voltage CMOS quad 2-input OR gate high
Low voltage CMOS quad 2-input OR gate high

... 1) Skew is defined as the absolute value of the difference between the actual propagation delay for any two outputs of the same device switching in the same direction, either HIGH or LOW (tOSLH = | tPLHm - tPLHn|, tOSHL = | tPHLm - tPHLn| 2) Parameter guaranteed by design ...
How to Design an LED Driver Using the TPS92510 Application Report
How to Design an LED Driver Using the TPS92510 Application Report

... The light-emitting diode (LED) current is programmed with resistor R5. The current-sense resistor value and power dissipation are shown in Equation 1 and Equation 2. The current-sense resistor is part of the power supply, not the load. When making efficiency measurements, the output voltage is sense ...
P4C423 HIGH SPEED 256 x 4 STATIC CMOS RAM
P4C423 HIGH SPEED 256 x 4 STATIC CMOS RAM

... is not implied. Exposure to MAXIMUM rating conditions for extended periods may affect reliability. 2. Extended temperature operation guaranteed with 400 linear feet per minute of air flow. 3. For test purposes, not more than one output at a time should be shorted. Short circuit test duration should ...
parallel circuit
parallel circuit

Design and Stability Analysis of Buck-Boost Converter
Design and Stability Analysis of Buck-Boost Converter

... With the increasing speed and capacity of data processing in CPU, DSP and other modules, their demands for power supply with large value and fast response of output current and small overshoot or undershoot of output voltage become more stringent [1, 2]. For this case, some control techniques such a ...
A low reference spur quadrature phase
A low reference spur quadrature phase

... A high performance CP is a key block in the QPLL design. The output current of the CP determines the output voltage of the LF, which tunes the QVCO to produce the desired LO signal. Any mismatch between the charging and discharging current induces steady-state and dynamic offset. Not only does stead ...
AD8004
AD8004

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Compact 600 mA, 3 MHz, Step-Down Converter with Output Discharge ADP2109

... The ADP2109 is a high efficiency, low quiescent current stepdown dc-to-dc converter with an internal discharge switch that allows automatic discharge of the output capacitor in an ultrasmall 5-ball WLCSP package. The total solution requires only three tiny external components. It uses a proprietary ...
12V or Adjustable, High-Efficiency, Low I , Step-Up DC-DC Controller Q
12V or Adjustable, High-Efficiency, Low I , Step-Up DC-DC Controller Q

... loads), while using less than 110µA of supply current (vs. 2mA to 10mA for PWM converters). This controller uses miniature external components. Its high switching frequency (up to 300kHz) allows surface-mount magnetics of 5mm height and 9mm diameter. It accepts input voltages from 2V to 16.5V. The o ...
Resistor-Transistor Logic
Resistor-Transistor Logic

... Consider the most basic transistor circuit, such as the one shown to the left. We will only be applying one of two voltages to the input I: 0 volts (logic 0) or +V volts (logic 1). The exact voltage used as +V depends on the circuit design parameters; in RTL integrated circuits, the usual voltage is ...
Data Sheet  Features General Description
Data Sheet Features General Description

... 4) Keep the switching node, LX, away from the sensitive FB pin and the node should be kept small area. 5) The following is an example of 2-layer PCB layout as shown in Figure 21 and Figure 22 for reference. ...
Power MOS FET Relay G3DZ Maximum AC/DC Switching Current of
Power MOS FET Relay G3DZ Maximum AC/DC Switching Current of

... Input resistor and varistor incorporated. Switching full- and half-wave rectified alternating ...
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Picoammeter/ Voltage Source

... The 51⁄2-digit Model 6487 Picoammeter/Voltage Source improves on the measurement capability of the award-winning Model 6485, and adds a high resolution 500V source. It provides higher accuracy and faster rise times than the 6485, as well as a damping function for use with capacitive devices. With ei ...
Design of Low Voltage CMOS OTA Using Bulk
Design of Low Voltage CMOS OTA Using Bulk

... OTA is significantly very large, which therefore leads to higher Gain Bandwidth product (GBW). The frequency should be high for the design of OTA. The phase margin of the proposed OTA is 98°. ...
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- Muhazam

UT54ACS245S - Aeroflex Microelectronic Solutions
UT54ACS245S - Aeroflex Microelectronic Solutions

... 1. Functional tests are conducted in accordance with MIL-STD-883 with the following input test conditions: VIH = VIH(min) + 20%, - 0%; VIL = VIL(max) + 0%, 50%, as specified herein, for TTL, CMOS, or Schmitt compatible inputs. Devices may be tested using any input voltage within the above specified ...
PTH04070W: 3-A 3.3/5.5-V Input Adjustable
PTH04070W: 3-A 3.3/5.5-V Input Adjustable

... The set-point voltage tolerance is affected by the tolerance and stability of RSET. The stated limit is unconditionally met if RSET has a tolerance of 1% with with 100 ppm/°C or better temperature stability. The minimum input voltage is 3 V or (VO + 1.1) V, whichever is greater. A 5-V input bus is r ...
MAX16836 High-Voltage, 350mA, High-Brightness LED Driver with PWM Dimming and 5V Regulator
MAX16836 High-Voltage, 350mA, High-Brightness LED Driver with PWM Dimming and 5V Regulator

... output short-circuit conditions. If the junction temperature exceeds TJ = +159°C (typ), the internal thermal-protection circuitry turns off the series pass device. The MAX16836 recovers from thermal-shutdown mode once the junction temperature drops by 24°C (typ). The part therefore protects itself b ...
MAX660 CMOS Monolithic Voltage Converter _______________General Description ___________________________ Features
MAX660 CMOS Monolithic Voltage Converter _______________General Description ___________________________ Features

... In some applications, the 5kHz output ripple frequency may be low enough to interfere with other circuitry. If desired, the oscillator frequency can then be increased through use of the FC pin or an external oscillator as described above. The output ripple frequency is onehalf the selected oscillato ...
Mini Go internal card 02` 8366103 Contents 1. General Specification
Mini Go internal card 02` 8366103 Contents 1. General Specification

... +/-3V to +/-15V for RS232 P12 RS232_DTR Output +5.5V and -5.5V for RS232 P13 RS232_DSR Input +/-3V to +/-15V for RS232 P14 RS232_RTS Output +5.5V and -5.5V for RS232 P15 RS232_CTS Input +/-3V to +/-15V for RS232 P16 RS232_RI Input +/-3V to +/-15V for RS232 P17-P26 No Use ...
MAX610/MAX611/MAX612 AC-to-DC Regulator (110/220VAC to 5.0
MAX610/MAX611/MAX612 AC-to-DC Regulator (110/220VAC to 5.0

... simplifying designs. With an 8VRMS input voltage, the MAX610 needs only a single filter capacitor to make a complete 5V, 50mA power supply. With the addition of a current-limiting resistor and a current-limiting capacitor, the MAX610 connects directly to the 110VAC or 220VAC power line to make a min ...
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Wilson current mirror



A Wilson current mirror is a three-terminal circuit (Fig. 1) that accepts an input current at the input terminal and provides a ""mirrored"" current source or sink output at the output terminal. The mirrored current is a precise copy of the input current. It may be used as a Wilson current source by applying a constant bias current to the input branch as in Fig. 2. The circuit is named after George R. Wilson, an integrated circuit design engineer who worked for Tektronix. Wilson devised this configuration in 1967 when he and Barrie Gilbert challenged each other to find an improved current mirror overnight that would use only three transistors. Wilson won the challenge.
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