Geller Labs
Geller Labs

Products

Tech Notes:

Aeroflex Weinschel 8310 for the Electronics Hobbyist

DMM Low Level AC Voltage Scales

6.5 Digital Multimeter Temperature Coefficients

Setting a Temporary Gain Calibration Using a Precision Reference with the AgilentTM 34461A Digital Multimeter (No affiliation with Agilent, use at your own risk!)

Making Low Level AC Voltage Measurements below 1 mV with the AgilentTM 34461A Digital Multimeter

A case study of 78 new old stock LM299AH-20 parts Thoughts about the National Semiconductor LM299AH possibly more than the parts were drifting? (early work in progress)

Capacitance Measurements at 10 kHz and 100 kHz with the Agilent U1733C, Maybe Not

On Measuring Johnson (thermal) Noise Generated by Resistors: A list of Johnson noise References and links to go with the JCan article

Measuring the Effective Noise Bandwidth of a Filter

Making Low Level AC Voltage Measurements below 1-5 mV with the Agilent 34401A and 34410A DMMs

Using an Ohm Meter to Measure High Capacitance Values

10:1 Reference Divider a.k.a "752A Junior"

 

Projects:

We completed an informal coverage area survey for the Utica, New York area NPR FM Broadcast stations WRUN (WAMC Albany) WRVN (WRVO Syracuse) and WUNY (WCNY Syracuse)

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