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By latched cover, do you meant just the blank cover?? I have two of them, used for improving airflow and keeping debris and fingers out of empty compartments. -Dave

The latch part numbers should be 105-0932-00 and 214-3364-00. They are described in great detail in the Mechanical Common Design Parts Catalog from November 1988. dan

I am interested. Thanks!

Before we start trying to manufacture a replacement (which I think is a fine idea, especially in this new age of 3D printing) I'm wondering if there is a Tek part number for these? I have the cover,

Dave, I suspect that all three of the tips I have are worn out. I discovered two tips, still in their bags, in a plastic "parts deresser" (plastic drawers for electronic parts, cheap a Radio Shack,

Any chance there is high rez photos of a production analog test board? I have only seen the scan in the manual and I have some questions about layout and locations. Like of the BNC connector. I can

Time for the Cone of Silence before we get the OT warning! Now back to the 7854. I use the board to run my analog backup 7854 parts. It has no Max, I mean smarts, in it. I kludged in 7k readout board

Looks like a suitable new chip would be this https://www.mouser.com/ProductDetail/ON-Semiconductor/SMMBTH10-4LT3G?qs=abmNkq9no6AVRlwMthL29A%3D%3D Vce - 25Vdc Hfe 120-240 Frequency - 800 Mhz

That was the number I was unable to find. I had a feeling these needed to be fast as they are in the trigger circuit and the 7854 is a 400 Mhz frame. Test triggering to 500 Mhz is what I was expecting

So, two years ago she could have taken Max's place?

That’s because she’s 88. Wait until she’s 99!

A web search shows Frequency as 500 MHz as guaranteed minimum. Glenn

The transistor is not a fast one. Rise/fall times are on the order of 10ns to 20ns. Fine for TTL stuff.

Well, actress Barbara Feldon is still alive? evidently.? ?She's 88, though, so not nearly as hot as she was in Get Smart.? ? ? ?Jim?Sent from my Verizon, Samsung Galaxy smartphone

You guys aren't as Smart as you think you are!? ? ? ? ? ? Jim Ford?Sent from my Verizon, Samsung Galaxy smartphone

Thanks for all the help. I have about 80% finished with the schematic. I need to find a replacement for the 2N5769 The documentation says this was a "Switching Transistor" but it does not say the

Where is Agent 99 when you need her!

Sorry, no complementary outputs on the '374, just one Q (true) output for each D input. Raymond

Since we're at it: It's not 8 latches: There are 8 D-type flip-flops in a '374. Latches pass the input with one control level (the output follows the input, no clock involved) and latch their input

I have purchased TM500 plugins from reputable sellers (eg. Stewarts of Reading, Telford Electronics) and from less well-known purveyors on eBay and have found several broken latches of this type. The