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The Signal Path Blog uploaded and posted 5 days agoFrom SoC chipset to the clouds!
Tutorial and Experiments with ESP8266 SoC, Blynk App, Arduino and Internet of Things (IoT) - Duration: 30 minutes.
In this episode Shahriar explores the functionality of the popular ESP8266 SoC chip. This IC incorporates a full ISM radio as well as the physical/MAC layer for 802.11b/g/n network communication. F... -
The Signal Path Blog uploaded and posted 1 month ago
A detailed look at the $9500 top-of-the-line Rigol Spectrum Analyzer.
Rigol DSA875-TG 9kHz - 7.5GHz Spectrum Analyzer & Tracking Generator Review, Teardown & Experiments - Duration: 1 hour, 13 minutes.
In this episode Shahriar takes a close look at the top-of-the-line Rigol DSA875-TG 7.5GHz Spectrum Analyzer. This unit which, offers a built in tracking generator for the full frequency range, has ... -
The Signal Path Blog uploaded and posted 1 month ago
High-voltage, high-power madness!
Teardown & Repair of a Matsusada RE-600-1.6 600V 1.6A Power Supply - Duration: 31 minutes.
In this episode Shahriar attempts the repair of a Matsusada RE-600-1.6V 1.6A power supply. This low profile power supply is intended for rack-mount application and has been likely used in a vapor d... -
The Signal Path Blog uploaded and posted 2 months ago
Don't forget to let me know your thoughts on the PXI-4071!
Repair of PXI-2596 (Microwave Switch), PXI-4461 (Signal Analyzer) & PXI-4071 (7.5 Digit FlexDMM) - Duration: 32 minutes.
In this episode, Shahriar repairs a few PXI module cards including a PXI-2596 Microwave Switch, a PXI-4461 Signal Analyzer and a PXI-4071 7.5 Digit FlexDMM unit. The PXI-2596 and PXI-4461 have both... -
The Signal Path Blog uploaded and posted 3 months ago
A look inside one of the world's fastest active probes.
Teardown & Analysis of a Keysight InfiniMax III N2802A 25GHz Active Probe - Duration: 22 minutes.
In this episode Shahriar takes a close look at one of Keysight (Agilent) InfiniMax III active probes. The model N2802A offers 25GHz of analog bandwidth, 17.5pS of rise time and a total differential... -
The Signal Path Blog uploaded and posted 3 months ago
WIth special guest Dr. Timo Pfau!
Tutorial on the Design & Implementation of an FPGA RGB LED Matrix Driver - Duration: 36 minutes.
In this episode Shahriar and Timo demonstrate the design methodology of an FPGA based 32×32 RGB LED matrix driver. Timo has kindly devoted some of his time to describe the block diagram and the tho... -
The Signal Path Blog uploaded and posted 3 months ago
When confronted with a mystery, the difference between being content with a lazy explanation and an honest quest to discover the truth, that's science.
Free Energy & Over-unity Charging Circuit - The Scientific Method - Duration: 9 minutes, 18 seconds.
In this episode Shahriar builds a magical charger circuit that has an efficiency of tens-of-thousands of percent! But not to worry, it is a trick and the trick is revealed in the video. The purpose... -
The Signal Path Blog uploaded and posted 3 months ago
An oscilloscope, logic analyzer, function generator, digital I/O generator, multimeter and power supply in one box!
National Instruments VirtualBench Review, Teardown & Experiments - Duration: 1 hour.
In this episode Shahriar gets a hold of a National Instruments VirtualBench! This instrument combines a mixed-signal oscilloscope, function generator, digital multimeter, programmable power supply ... -
The Signal Path Blog uploaded and posted 4 months ago
A detailed look at Keithley’s high performance, blazing fast 7.5-digit multimeter.
Keithley DMM7510 7.5-Digit Multimeter Review, Teardown & Experiments - Duration: 1 hour, 17 minutes.
In this episode Shahriar takes a detailed look at the new Keithley DMM7510 7.5-Digit Multimeter. Boasting Keithley’s touchscreen GUI interface, 100mV, 1-Ohm and 10uA ranges makes this multimeter a ... -
The Signal Path Blog uploaded and posted 4 months ago
A moment of silence for the fallen MOSFET who gave its life for science.
Teardown, Repair & Analysis of a Rohde & Schwarz FSH3 3.0GHz Portable Spectrum Analyzer - Duration: 51 minutes.
In this episode Shahriar examines a faulty R&S FSH3 100kHz – 3.0GHz Portable Spectrum Analyzer. This exceptionally dirty unit does not power on and is missing a power supply and battery. After veri... -
The Signal Path Blog uploaded and posted 4 months ago
A close look at the Siglent 5.5-digit SDM3055A multimeter. At $469 US dollars, will this multimeter find a home on your bench?
Siglent SDM3055A (SDM3055) 5.5-Digit Multimeter Review, Teardown & Experiments - Duration: 1 hour.
In this episode Shahriar reviews the Siglent SDM3055A (SDM3055) 5.5-Digit Multimeter. After a brief look at the instrument’s datasheet, a full teardown is presented. The instrument utilizes a two-b... -
The Signal Path Blog uploaded and posted 5 months ago
Fun with high-voltage generation!
Teardown & Repair of a Stanford Research PS350 5000V, 25W High Voltage Power Supply - Duration: 39 minutes.
In this episode Shahriar repairs a Stanford Research Systems Model PS350 5000V-25W High Voltage Power Supply. The unit continuously displays 2.5kV without the output being enabled and produces no o... -
The Signal Path Blog uploaded and posted 5 months ago
Anyone has any ice water?
Teardown & Repair of an Agilent E3631A 6V/25V 80W Triple Output Power Supply - Duration: 36 minutes.
In this episode Shahriar investigates a faulty Agilent E3631A 80W triple output power supply. The instrument powers on, display a fully illuminated VFD display before a long beep and dark screen. T... -
The Signal Path Blog uploaded and posted 5 months ago
A quick repair and a good lesson in oscilloscope safety.
Teardown & Repair of the Siglent SHS810 100MHz 1GS/s Portable Oscilloscope & Multimeter - Duration: 27 minutes.
In this episode Shahriar examines the failure of a Siglent SHS810 100MHz 1GS/s portable oscilloscope and multimeter. The instrument’s multimeter inputs are functional, however the neither of the os... -
The Signal Path Blog uploaded and posted 5 months ago
Please let me know what you think about this type of spontaneous video of activities around the lab!
PXI Chassis Upgrade & Various Module Examination - Duration: 17 minutes.
Description -
The Signal Path Blog uploaded and posted 5 months ago
A close look at the Signal Hound USB real-time spectrum analyzer and tracking generator as well as a comparison to the Tektronix RSA306.
Review & Experiments of the Signal Hound BB60C Spectrum Analyzer & TG124A Tracking Generator - Duration: 1 hour, 18 minutes.
In this episode Shahriar takes a close look at the Signal Hound Real-Time Spectrum Analyzer (BB60C) and Tracking Generator (USB-TG124A). In order to evaluate the performance of these units a few ex... -
The Signal Path Blog uploaded and posted 6 months ago
Make sure you watch to the end for the tutorial and teardown of the power sensor!
Teardown & Repair of an Agilent EPM-441A (E4418A) Power Meter Plus Tutorial on Power Sensors - Duration: 1 hour, 18 minutes.
In this episode Shahriar repairs an Agilent EPM-441A (E4418A) Power Meter. The unit does not boot and displays "Loading firmware...". After monitoring internal digital signals, the problem is trace... -
The Signal Path Blog uploaded and posted 7 months ago
IC decapping fun!
Teardown and Repair of an Agilent E3620A Dual Power Supply Plus IC Decapping Tutorial - Duration: 41 minutes.
In this episode Shahriar completes the repair of the Agilent E3642A power supply with the missing display processor. Thanks to Gerry Sweeney a replacement IC is found and the unit is back to life! ... -
The Signal Path Blog uploaded and posted 7 months ago
More repair fun! :)
Teardown, Repair and Analysis of an Anritsu MS2721A 7.1GHz Portable Spectrum Analyzer - Duration: 40 minutes.
In this episode Shahriar takes a look at an Anritsu MS2721A portable spectrum analyzer which does not completely boot up. After displaying the message “Application Running!” the unit no longer adva... -
The Signal Path Blog uploaded and posted 8 months ago
I hope you enjoy this review and teardown of the Keithley 2460 SMU. Make sure that you have watched the review of the Keithley 2450 SMU first!
Keithley 2460 Source Measure Unit (SMU) Review, Teardown and Experiments - Duration: 1 hour, 4 minutes.
In this episode Shahriar reviews the new Keithley 2460 Source Measure Unit (SMU). The Keithley 2460 shares all the touchscreen GUI advancements of the 2450 SMU and offers up to 100W of power in ful... -
The Signal Path Blog uploaded and posted 8 months ago
Don't forget to discuss your ideas and observations about this repair!
Teardown, Repair and Analysis of an HP 8562B 22GHz Spectrum Analyzer - Duration: 52 minutes.
In this episode Shahriar repairs an HP 8562B 22GHz spectrum analyzer. This spectrum analyzer has two input bands. The lower band which operates from 1kHz – 2.9GHz shows does not operate correctly a... -
The Signal Path Blog uploaded and posted 10 months ago
Lots of microwave parts!
Teardown, Analysis and Part-Salvage from an HP 70001A Series Optical Microwave Analyzer - Duration: 45 minutes.
In this episode Shahriar performs a teardown and analysis of several HP 70000A modules. The modules include a 20GHz optoelectronic converter, 2.9GHz tracking generator, 10MHz/100MHz precision refer... -
The Signal Path Blog uploaded and posted 10 months ago
The Signal Path presents an exclusive and in-depth look at the fastest oscilloscope anyone has ever built! An extraordinary accomplishment by Teledyne LeCroy.
Experiments and Teardown of the Teledyne LeCroy LabMaster 10-100zi 100GHz, 240GS/s Oscilloscope - Duration: 1 hour, 32 minutes.
In this world exclusive episode, Shahriar visits Teledyne LeCroy to take a close look at the operation, teardown and experiments with the LabMaster 10-100zi, 100GHz simultaneous bandwidth, 240GS/s ... -
The Signal Path Blog uploaded and posted 10 months ago
A (very) close look at the architecture and performance of this mixed-domain USB based instrument.
Review and Teardown of the Analog Arts SL987 USB Oscilloscope AWG Pattern Generator & Logic Analyzer - Duration: 46 minutes.
In this episode Shahriar takes a close look at the Analog Arts USB based mixed-domain instrument. The SL987 offers an oscilloscope, arbitrary waveform generator, FFT-based spectrum analyzer, patter... -
The Signal Path Blog uploaded and posted 10 months ago
I hope you enjoy this extensive review and teardown!
Review, Teardown and Experiments with a Keysight MSO-S Series 10-bit 20GS/s Oscilloscope - Duration: 1 hour, 30 minutes.
In this episode Shahriar does an extensive review and teardown of the Keysight (Agilent) MSO-S Series 10-bit 20GS/s Oscilloscope. This scope supports bandwidths up to 8GHz and 400M points of memory...
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