November 8, 2019

LM LM – Transistor Array, Package: Soic Narrow, Pin Nb= The LM consists of five general purpose silicon NPN transistors on a common. The LM consists of five general purpose silicon NPN transistors on a common monolithic substrate. Two of the transistors are internally connected to form a. Part Number: LM, Maunfacturer: National Semiconductor, Part Family: LM, File type: PDF, Document: Datasheet – semiconductor.

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The figure datashest a Keep track of the divider ratio you finally use to scale your measurement correctly. Use the oscilloscope and DMM to measure the differential-mode voltage gain. Lead dress and length is also important. Q3 and Q4 form a simple current source. Pay particular attention to V OD. Set up your input signals, use 1 kHz, so that the output is reasonably linear.

A written report is not required.

The CA is the same electrically as the LM In addition to using the DMM, look for excessive noise using the scope even though you are measuring the dc voltage matching. Ground both the inputs of Q1 and Q2.


From a practical viewpoint, if the input signals are noisy because of low datashete, you may choose to use an input voltage divider to provide “cleaner” waveforms. That is do not use the Just a different manufacturer. And for those of you with an internship this summer should be aware of the corporate and university management structure. Measure the all Q-point voltages and currents using the DMM.

LM Datasheet(PDF) – National Semiconductor (TI)

By using a The amplitude of the input must be large enough to drive the input through the entire desired range of operation. Above and beyond CS1, the following provides an important understanding of computer technology hardware. Set up the circuit in Figure 1 using Q1 and Q2 for the emitter-coupled pair. Include the effect of a non-infinite Early dtaasheet to improve your analysis and simulation accuracy.

Use a low frequency sinusoid or triangular wave as the input. Prepare a circuit diagram illustrating how you are measuring the common-mode voltage gain. Consider implementing the The signal generators have a mV minimum.

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Use Figure 1 and class notes for guidance to prepare a detailed circuit diagram.

You will not need an input voltage divider because the Acm is low, Figure 3, because datwsheet common-mode voltage gain is sufficiently low that you will have to increase the input level significantly above what you used in the differential-mode measurement.

Also observe that because the oscilloscope does not have a floating input i.

LM3046 Datasheet PDF

Use the oscilloscope to also check for excessive noise which may translate as a noisy dc voltage measurement. The transfer characteristics of a circuit can be displayed using the X-Y oscilloscope inputs. We will jointly review your notebook during the 12 December laboratory period with the expectation that this experiment will be included.

Set up your input signals, again use 1 kHz. The data datadheet is posted on the class WEB page. You will need some level of voltage division as shown in the figure.