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5 Oct 2023 10:34:49 UTC
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EEVblog #192 - Agilent Oscilloscope LOST Easter Egg
Just a quick one. Dave found the latest LOST easter egg in the Agilent 3000X/2000X series oscilloscope Ver1.2 firmware.
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The DPS3003 30V 3A module in particular.
RDtech Youtube channel: https://www.youtube.com/channel/UCy73jJ5-ZqhPzT7wJ6KTIaw
Aliexpress Store: https://rdtech.aliexpress.com/store/923042
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How an LCR Meter works: https://www.youtube.com/watch?v=fs2MfTW4o_Q
Forum: http://www.eevblog.com/forum/blog/eevblog-757-hp4263a-lcr-meter-teardown/
4263A Datasheet:
http://www.testequipmenthq.com/datasheets/Agilent-4263A-Datasheet.pdf
4263A User Manual:
http://literature.cdn.keysight.com/litweb/pdf/04263-90001.pdf?id=722686
4263B service manual: http://www.doe.carleton.ca/~nagui/labequip/lcr/4263B_Service%20Manual.pdf
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Mailbag is back.
With bonus soldering and breadboard action, and Whia vs Swisstools shootout!
The Postcards: http://www.youtube.com/watch?v=NjnZeFE_3Cs
Capacitive touch sense IC's: http://www.azoteq.com/
http://gerrysweeney.com/
http://gerrysweeney.com/seven-decade-programmable-resistor-a-low-cost-solution/
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Part 7 of Microphone Technology with Doug Ford, former head designer at Rode Microphones.
This video Doug takes you through the design of the Rode NT3 and NT1000 microphone designs.
There is a ton of stuff in here:
Closed loop unity gain JFET and bipolar follow circuits.
Bootstrapping out miller capacitance.
JFET biasing.
How to eliminate expensive high value resistors.
How to add a bridged-T network to add marketing "pizazz" to a microphone.
How to stop oscillation in closed loop systems.
How to test and design closed loop systems for stability.
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Dave tears down and attempts repair on a 1989 vintage Acorn Archimedes A3000 Computer, using the very first ARM processor, the Acorn RISC ARM v2
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Reference Manual: http://acorn.chriswhy.co.uk/docs/Acorn/Manuals/Acorn_A3000TRM.pdf
Schematics: http://acorn.chriswhy.co.uk/docs/Acorn/Manuals/Acorn_A3000TRM_drawings.zip
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I found 283 mains double adpters in the dumpster. What happens if you put them all in series with a 2kW load? I'm glad you asked!
If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblog
00:00 - I found 283 double adapters in the dumpster!
00:58 - We goofed it already
02:06 - Cable capaciitance
03:14 - Testing a 2kW load!
05:50 - DaveCalc, power loss per adapter
07:37 - Internal wiring and Teardown
09:56 - What is the resistance?
11:23 - Thermal camera test
14:06 - Ohmic Meditation
Dumpster Find: https://www.youtube.com/watch?v=37JniTa7uvg
Forum: https://www.eevblog.com/forum/blog/eevblog-1526-i-put-283-double-adapters-in-series-with-a-2kw-load/
Web Site: http://www.eevblog.com
Other channels:
EEVblog2: http://www.youtube.com/EEVblog2
EEVdiscover: https://www.youtube.com/eevdiscover
T-Shirts: http://teespring.com/stores/eevblog
#ElectronicsCreators #Dumpster #Experiment
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A quick hack turns a Flir TG165 Thermal camera into the worlds first thermal IR imaging camera watch!
Makerbot 3D printer action, and a trap for young players with LCD ribbon cables.
http://www.flir.com/tg165/
FLIR TG165 Thermal Imager Teardown
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The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2
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Is this FNIRSI-5012H 100MHz bandwidth 500MS/s Handheld pocket oscilloscope any good?
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http://s.click.aliexpress.com/e/Lirr17DW
Mystery of x1 Oscilloscope Probes revealed: https://www.youtube.com/watch?v=OiAmER1OJh4
Reverse Engineering forum thread: https://www.eevblog.com/forum/projects/reverse-engineering-fnirsi-5012h/
Forum: https://www.eevblog.com/forum/blog/eevblog-1260-$70-100mhz-oscilloscope/
EEVblog Main Web Site: http://www.eevblog.com
The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2
Support the EEVblog through Patreon!
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AliExpress Affiliate: http://s.click.aliexpress.com/e/c2LRpe8g
Buy anything through that link and Dave gets a commission at no cost to you.
Donate With Bitcoin & Other Crypto Currencies!
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