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DC Zero Adjustments An integrat- ing amplifier U4 is used to maintain a dc level of 0 V dc at the output of the Converter Amplifier. The DC Transfer Standard required for the following test must be calibrated to a 1.
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This time con- sists of the settling lime of the input relays, FETs, and other circuits. The 1- volt and volt full-scale specifications can be tested using the DC Transfer Standard also recommended in the pro- cedure.
Record the A reading:. Common-mode voltages are those which are generated between the power line ground point of the source and the LO input and power line ground point of the A. For example, if the calibration chart indicates that the A output is 0.
HP 3455A Manuals
Use the following part numbers and descrip- tions when ordering the exchange assemblies. Refer to Figure Manuall to main content. Precautions were taken to avoid ESD and the other popular ways to kill h. At each frequency setting, the 34S5A display reading should be within the Test Limits given in the table. Sell now – Have one to sell? The following paragraphs describe circuit operation for the various auto-cal measurements.
Main Controller Interrupt Circuit The dc, ac and ohms accuracy specifications Table are grouped according to the selected instru- ment function, i. Shipping cost cannot be calculated. Eq is the internal offset error, and G is the circuit gain.
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Full text of “HP: a”
This trigger pulse has to be ap- plied to the rear External Trigger Connector and should have a negative TTL edge and must be at least 3 seconds wide. These times are not part of the operating specifications of the instru. Ambiguous Regions IVcorresponding to the power- display reading: Two tests performance and opertional verification are provided in this section.
Keep in mind the following checks lest only the operating capability of the 34SSA. A resistor with -m an actual value of ohms would give a measurement result of: Leakage and Other Various Malfunctions 8-B The square root amplifier reverses the action of squaring amplifier.
If the contents are incomplete, if there is mechanical damage or defect, or if the multimeter does not pass the Performance Tests, notify the nearest Hewlett-Packard Office. Increase the standard’s first decade so that V is reached by increasing the voltage in V increments.
Calibra- tion charts for these instruments are normally valid for at least 30 days. Be sure to wire rear panel guard connections yourself, if- using 3455aa rear panel input terminals.
At each setting, the 34S5A reading should be within the Test Limits given in the table. Rack Mounting Kit Option The A reading should be within jp test limits listed in Tableverifying its 1-volt full-scale accuracy with High Resolution off.
Relay KS connects the input to the operational attenuator on the and V dc ranges. These potential ambiguities are described in the following paragraphs.
HP A Service Manual download, schematics, eeprom, repair info for electronics experts
See the manuwl example: Set the Transfer Standard for an output of 1 V. If there is no AlORl 10, record 0. Auto-Cal Constant 8 10 K, K. The syntax for addressing the A is dependent upon the controller being used. After the instru- ment is adjusted according to the procedures given in this section, it should meet the hour accuracy specifications listed in Table