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High_Voltage_AC_Calibrator.pdf
amplifiers of an LF347 quad generates a negative rectified feedback signal. This is compared to the LM329 DC reference at the third LF347 which amplifies the difference at a gain of 100. The 10 μF feedback capacitor is used to set the frequency response of the loop. The output of this amplifier controls
in „Oszi und DMM selber kalibrieren“ · Analoge Elektronik und Schaltungstechnik ·
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PDF
TI_VCO.pdf
kHz with under 0.1% distortion for a 100 Vrms (285 Vp-p) output. If the summing resistors from the LM329 are replaced with a potentiometer the loop is stable for output settings ranging from 3 Vrms to 190 Vrms (542 Vp-p!) with no change in frequency. If the DAC1280 D/A converter shown in dashed lines replaces the LM329 reference, the AC output voltage can be controlled by the digital code input with 3 digit calibrated accuracy. A A basic Wein bridge design employs a lamp's positive temperature coefficient to achieve
in „VCO Simulation“ · Analoge Elektronik und Schaltungstechnik ·
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PDF
TI_VCO.pdf
kHz with under 0.1% distortion for a 100 Vrms (285 Vp-p) output. If the summing resistors from the LM329 are replaced with a potentiometer the loop is stable for output settings ranging from 3 Vrms to 190 Vrms (542 Vp-p!) with no change in frequency. If the DAC1280 D/A converter shown in dashed lines replaces the LM329 reference, the AC output voltage can be controlled by the digital code input with 3 digit calibrated accuracy. A A basic Wein bridge design employs a lamp's positive temperature coefficient to achieve
in „VCO Simulation“ · Analoge Elektronik und Schaltungstechnik ·
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PDF
LB-47.pdf
improved approach is shown in Figure 2. Here an These techniques can be extended for higher output volt- LM329B 6.9V zener reference has been stacked in series ages and/or currents by either using better high voltage with the LM317’s internal reference. This both improves transistors or cascoding or paralleling (with appropriate emLt- temperature stability, since the LM329B has a guaranteed ter ballasting resistors) several transistors. The output shBrt loop gain is available from the LM317.ion, because more - 7 © 2002 National Semiconductor CorporatiAN007335 www.national.com
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PDF
tempf_lm335.pdf
µV/˚C S 45.8 6.4 µV/˚C Adjustments: Compensates for both sensor and resistor tolerances 1. Short LM329B 2. Adjust R1 for Seebeck Coefficient times ambient temperature (in degrees K) across R3. 3. Short LM335 and adjust R2 for voltage across R3 corresponding to thermocouple type J 14.32 mV K 11.17 mV
in „Temperaturmessung mit μC und LM 335“ · Mikrocontroller und Digitale Elektronik ·
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PDF
LM135_LM235_LM335TO92_NSC.pdf
µV/˚C S 45.8 6.4 µV/˚C Adjustments: Compensates for both sensor and resistor tolerances 1. Short LM329B 2. Adjust R1 for Seebeck Coefficient times ambient temperature (in degrees K) across R3. 3. Short LM335 and adjust R2 for voltage across R3 corresponding to thermocouple type J 14.32 mV K 11.17 mV
in „Temperatusensor LM 335“ · Mikrocontroller und Digitale Elektronik ·
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PDF
LM135_LM235_LM335TO92_NSC.pdf
µV/˚C S 45.8 6.4 µV/˚C Adjustments: Compensates for both sensor and resistor tolerances 1. Short LM329B 2. Adjust R1 for Seebeck Coefficient times ambient temperature (in degrees K) across R3. 3. Short LM335 and adjust R2 for voltage across R3 corresponding to thermocouple type J 14.32 mV K 11.17 mV
in „Temperatur + Anfänger“ · Mikrocontroller und Digitale Elektronik ·
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PDF
LM135.pdf
µV/˚C S 45.8 6.4 µV/˚C Adjustments: Compensates for both sensor and resistor tolerances 1. Short LM329B 2. Adjust R1 for Seebeck Coefficient times ambient temperature (in degrees K) across R3. 3. Short LM335 and adjust R2 for voltage across R3 corresponding to thermocouple type J 14.32 mV K 11.17 mV
in „Spannungsversorgung LM135“ · Analoge Elektronik und Schaltungstechnik ·
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LM135.pdf
μV/°C S 45.8Ω 6.4 μV/°C Adjustments: Compensates for both sensor and resistor tolerances 1. Short LM329B 2. Adjust R1 for Seebeck Coefficient times ambient temperature (in degrees K) across R3. 3. Short LM335 and adjust R2 for voltage across R3 corresponding to thermocouple type. J 14.32 mV K 11.17 mV
in „ADC Vergleichen und Variable ändern“ · Mikrocontroller und Digitale Elektronik ·
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Bild
Datenblatt Ausschnitt Spannungsgesteuerter Oszillator Schaltplan
CONTROL-VOLTAGE INPUT (0-10V) LF351 ZERO-FREQUENCY TRIM FULL-SCALE ADJUST OUTPUT TO SHAPER STAGES LM311 LM329 2N4393 1N4148 10k, 1%
in „VCO Simulation“ · Analoge Elektronik und Schaltungstechnik · · Screenshots
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LM317hv_Appl.pdf
Stability 10-V Regulator Using a high-stability shunt voltage reference in the feedback path, such as the LM329, provides damping necessary for a stable, low noise output. Figure 22. High Stability 10-V Regulator 9.2.7 High Current Adjustable Regulator Using the LM195 power transistor in parallel with the LM117HV
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Datei
teile-ttester.txt
resistor 1 R25 20k R-EU_R0805 R0805 resistor 1 S1 DTS-6 DTS-6 DTS-6 switch-tact 1 U1 LT1004CZ-2.5 LM329DZ TO92 reference 1 U2 MCP1702-5002 MCP1702-5002 TO92-LOWDROP asko 1 U3 MCP1702-5002 MCP1702-5002 TO92-LOWDROP asko 1 U4 LM339D LM339D SO14 linear 1 U5 BCR421U BCR421UHAND SC74_INFINEON c-infineon_v2
in „Sammelbestellung Transistortester III - schnelle Runde“ · Markt ·
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PDF
AoE3_chapter9.pdf
the convenient 129 “zener.” output voltages they provide: instead of having to deal The jellybean LM329 is worth keeping in mind when with something like V =6.95V±4% (the voltage speci- out you need only a “good-enough” zener reference; it has low fication of the excellent LM399 temperature stabilized
in „Labornetzgerät - Fragen zum Schaltplan“ · Analoge Elektronik und Schaltungstechnik ·
