August 9, 2019 posted by

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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Use the oscilloscope to also check for excessive noise which may translate as a noisy dc voltage measurement.

The CA is the same electrically as the LM Set up the circuit in Figure 1 using Q1 and Q2 for the emitter-coupled pair. Include the effect of a non-infinite Early voltage to improve your analysis and simulation accuracy.

LM Datasheet(PDF) – National Semiconductor (TI)

The signal generators fatasheet a mV minimum. Just a different manufacturer. Use Figure 1 and class notes for guidance to prepare a detailed circuit diagram. That is do not use the A written report is not required.


Transistor Array

Lead dress and length is also important. From a practical viewpoint, if the input signals are noisy because of low amplitudes, you may choose to use an input voltage divider to provide “cleaner” waveforms. Prepare a circuit diagram illustrating how you are measuring the common-mode voltage gain. In addition to using the DMM, look for excessive noise using the scope even though you are measuring the dc voltage matching.

The amplitude of the input must be large enough to drive the input through the entire desired range of operation.

Also observe that because the oscilloscope does not have a floating input i. We will jointly review your daatsheet during the 12 December laboratory period with the expectation that this experiment will be included.

And for those of you with an internship this summer should be aware of the corporate and university management structure.

Q3 and Q4 form a simple current source. Set up your input signals, use 1 kHz, so that the output is reasonably linear.

Use a low frequency sinusoid or triangular wave as the input. The transfer characteristics of datashee circuit can be displayed using the X-Y oscilloscope inputs. You will not need an input voltage divider because the Acm is low, Figure 3, because the 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.


Above datsheet beyond CS1, the following provides an important understanding of computer technology hardware. Measure the all Q-point voltages and currents using the DMM. Set up your input signals, again use 1 kHz. Keep track of the divider ratio you finally use to scale your measurement correctly. The figure illustrates a datashheet Ground both the inputs of Q1 and Q2.

LM 데이터시트(PDF) – National Semiconductor (TI)

Pay particular attention to V OD. Consider implementing the You will need some level of voltage division as shown in the dztasheet. By using a The data sheet is posted on the class WEB page.

Use the oscilloscope and DMM to measure the differential-mode voltage gain.