GnuPlot 기본 (2)

-. Set Axis Name (Label)
-. set xlabel 'name'
-. set ylabel 'name'
-. Example

set xlabel 'Phase'
set ylabel 'Amplitude'
plot sin(x), cos(x)

GnuPlot 기본 (1)

-. Plot 2D Plane : plot express
-. Horizontal Axis Parameter : x
-. Vertical Parameter ; y
-. Example

plot sin(x)

-. Multiple Plot : plot express1, express2, ..
-. Example

plot sin(x), cos(x)

Keithley 2281S Firmware Upgrade

-. Keithley 2281S, Precision DC Power Supplies with Battery Test and Battery Simulation Functions

Green Laser Diode Spectrum

실제 Green Laser Diode 의 Wavelength 는 532 nm 이군.

테스트는 뭐 싸구려 Green Laser Diode 에다가 암흑이 아닌 걍 사무실에서 측정하니 다른 파장대의 Peak 들이 보인다. Broad 하게... -_-
그래도 실제 Green Laser Diode 의 Wavelength 인 532 nm 가 Peak 로 잡히는구나.
Laser Diode 에 Power 도 1 Watt 가 안되게 넣고 있으니 뭐... -,.-

Photo Research, Model PR-655 Measurement

-. Photo Research, Model PR-655 Measurement Repeat Test

Voltage Pulse through Bipolar Amplifier Characteristic

-. Tabor Electronics 100 MHz Function/Arbitrary Waveform Generator (WSB102)
-. NF High Speed Bipolar Amplifier DC-2 MHz (BA4825)
-. Shows Over/Under Shoot Pulse Trail/Lead Edge Part

[Scope Shot]

Rigol DG4000 Function/Arbitrary Waveform Generator (Microsoft Windows 8)

[Auto-Detect USB Driver]

[USBTMC on NI-MAX, NI-VISA]

[Basic Query "*IDN?" on NI-VISA]

Admesy Hera, Microsoft Windows 8, NI

* Admesy Hera, Microsoft Windows 8, NI (National Instruments)

[Auto Detect Driver Setup]

[Auto Detected USBTMC Interface on NI-MAX]

[Basic Query "*IDN?", NI-VISA function on NI-MAX]

Dielectric Constant & Permitivity Measurement

Tektronix AFG3000C Arbitrary/Function Generator (Output TTL)

-. Always Output (Reference Set Frequency), 3.3V p-p Level
-. Reference CH1? CH2? Frequency

Keithley Model 2600B SYSTEM SourceMeter - Current Pulse (Not Measure)

-. Model : Keithley 2612B SYSTEM SourceMeter
-. DUT (Device Under Test) : 1Ω Resistor (10 Watt)
-. 1A, Pulse Width (500 usec), Fixed 1A Current Range & 200V Range, 100V Compliance Setup

[Keithley 7510 Fast DMM Current Measurement]

[Voltage Measurement of DUT] - Tektronix THS 3024 Oscilloscope