EEVblog

Forum Topic LINK Some vintage Psion and HP PDA technology. A breadboard battery PSU adapter: http://rayshobby.net/ http://www.microchip.com/mcp1640/

Forum Topic LINK A follow up to the first video about tinning PCB traces to decrease the resistance. How does Lead Free solder compare?

Forum Topic Dave checks out the new Makerbot Replicator 3D printer and compares it to the old Thing-O-Matic.

Forum Topic here Dave does some measurements on what effect “PCB tinning” has on the resistance of a PCB trace. Mike’s video

Forum Topic HERE More pulser action with some high speed digital logic. And more playing with the Agilent 81160A PFANG and Agilent 13GHz 90000 series scope.

UPDATE: Triosmartcal have withdrawn it from sale, and Korad are investigating… UPDATE2: Korad have admitted that the output transistors were not the correct type in this early batch unit. Forum Topic HERE Watch the Korad KA3005P FAIL! The review of course is not complete because there was nothing left working to finish it.

Teardown Tuesday. What’s inside the Korad KA3005P 30V 5A programmable power supply? http://www.triosmartcal.com.au/dc-programmable-supply/2647-ka3005p-programmab… $99 on Amazon

Getting a Newhaven 8×2 LCD display working with the Bus Pirate. And some unexpected debugging.

A small follow-up on the Panasonic photocopier teardown, showing the paper feeder tray.

Some follow-up measurements on the Jim Williams pulse generator circuit. With a special guest appearance by a rather expensive scope… The Amperes T-Shirt is available HERE

A quick look at some cheap scopes at TrioSmartCal with Charles. http://www.triosmartcal.com.au The Agilent DSO1052B The Siglent SDS1204CFL The Siglent SDS1022C / Atten 1022CL+ / BK Precision 2530B The Unique UQ2062C

More mailbag. http://www.cnc-design.fi/ http://www.agilent.com/find/N2796A http://www.agilent.com/find/81160 Yes, this video was supposed to go up before the last teardown, obviously!

Teardown Tuesday What’s inside Agilent’s 81160A PFANG Pulse Function Arbitrary Noise Function Generator Chips Used: PTH08T240: LT1370: COTO9290: AD9283: UMX-113: AD7738: AD9739: ISP1521: XC95288XL: PIC18LF4455:

Light Meter on Amazon. Some lux light measurements in the EEVblog Lab And bonus measurement of some fluorescent light circuit currents using the AIM TTI I-Prober 520

Testing of the Jim Williams designed pulse generator from Linear App Note 47: http://www.linear.com/docs/4138 On a 500MHz Agilent 3000X series oscilloscope. The build is by Munaut.S http://people.osmocom.org/tnt/hw/pulse_gen/