IDL 800 Trainer Agilent 34970A & Variable Resistor Comparison Lab Report I want help rewording a lab report. I. Soldering 1.1 Tinning the soldering iron in

IDL 800 Trainer Agilent 34970A & Variable Resistor Comparison Lab Report I want help rewording a lab report. I. Soldering
Tinning the soldering iron involves heating the soldering up, then taking some solder and
melting it onto the tip of the soldering iron.
Having a small amount of molten solder on the tip of the soldering tool helps transfer
heat to the components being soldered more rapidly as the liquid solder effectively
becomes a “heat bridge.” The tips of most soldering irons are iron plated copper. When
the iron is heated, it rapidly oxidizes when exposed to the air around it. A tip covered in
oxidation does a poor job transferring heat.
Placing the tip of the soldering tool in contact with the components to be soldered allows
the components themselves to reach the melting point of the solder which effectively
allows the solder to “flow” into the joint of the component. Allowing the solder to flow
into the joint and fill all the voids in the joint creates a very strong connection.
If we were to place the tip in contact with the solder itself, it would coat the tip and/or
eventually form into a bead and drip onto whatever was underneath it. If it happened to
drip on the component we wished to solder, it would likely only cover the surface of the
joint rather than filling in the voids and having a strong bond.
Flux is a chemical cleaning agent which helps take care of the issue of oxides when
joining metals together, which in our case is copper. First, the flux dissolves the oxides
that are already bound to the copper components. Second, it acts as a barrier between the
copper and the surrounding oxygen, which prevents new oxidation. The now “clean”
copper components are now ready for the solder, which readily flows into the joint of the
component, forming a strong bond.
II. The IDL-800 Trainer
• Expected: +5VDC
Experimental: +5.08VDC
• Expected: ±15VDC (Variable)
Experimental Maximum: +15.3VDC
Experimental Minimum: +0.15VDC
III. The Agilent 34970A
68,000 ? ±5%
100 ? ±5%
560 ? ±5%
510 ? ±5%
560,000 ? ±5%
Resistance Comparison
% Difference
68,437 ?
99 ?
556 ?
514 ?
559,190 ?
+ to Ground
– to Ground
Voltage Comparison
0.157 V
-0.130 V
• Experimental Maximum: 108.9 kHz
• Experimental Minimum: 10.5 Hz
• Source = 60 Hz (Sine Wave)
• Experimental Amplitude: 3.071 mV
15.280 V
-15.330 V
IV. The Scope
• Experimental Maximum: 15 V
• Experimental Minimum: 0.13 V
• Maximum
T = 10?s ? f = 1/T = 100 kHz
• Minimum
T = 90ms ? f = 1/T = 11.1 Hz
• Source = 60 Hz (Sine Wave)
• Experimental Amplitude: 4 V
The oscilloscope displays the voltage graphically, showing you the oscillation of the sine
wave. Using this, we read the amplitude from the oscilloscope as peak to peak. The
Agilent gives a digital read out of the voltage, which is the RMS Voltage. Vrms is given
by 0.7071*Vpeak. Vpeak-to-peak is given by 2*Vpeak.
The oscilloscope gives you the “big picture” by means of visualization of everything at
once. You can visualize the frequency/period as well as the amplitude simultaneously.
You can get a rough reading of what these values are, but can’t be precise. The agilent
allows precision readings in digital format, but that’s all you get. You don’t get a visual
V. Variable Resistors
Set #
Variable Resistor Comparison
35.7 ?
77.1 ?
47.5 ?
65.5 ?
60.4 ?
51.2 ?
106.0 ?
106.0 ?
106.0 ?

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