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Batch of 30 year old weird IC's tapped analog delay lines and xfmrs, US $420 – Picture 0
Batch of 30 year old weird IC's tapped analog delay lines and xfmrs, US $420 – Picture 0

Batch Of 30 Year Old Weird Ic's Tapped Analog Delay Lines And Xfmrs

US $420

  • Zimmerman, Minnesota, United States
  • Mar 12th
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These are basically new, never used in a PC board.  If I remember correctly, the Polara products are tapped delay lines.  I think the part number indicates the total delay, i.e. 101A100 would indicate a total delay of 100ns with taps at possibly every 10ns.  Contact Polara Engineering for info.  I used these when working for Network Systems in the early 80's.  We were using 100K and 10K ECL logic devices then and were just introduced to high-speed S, F, and LS TTL.  Delay lines were used to eliminate race conditions. I'm not sure what the Kappa parts or Anderson parts are but they could be coupling transformers.  They could all be delay lines of some sort.  I don't guarantee any of this info to be accurate. Here's what is included: QTY P/N MFGR DATE CODE DESCRIPTION 5 54-221 Polara 8415 Tapped Delay Line 3 50-809-027 Polara 8327 Tapped Delay Line 2 50-810-027 Polara 8343 Tapped Delay Line 4 50-810-027 Polara 8148 Tapped Delay Line 1 50-314 Polara 8431 Tapped Delay Line 1 54-134 Polara 8218 Tapped Delay Line 12 101 A 100 Polara 8150 Tapped Delay Line 6 101 A 200 Polara 8140 Tapped Delay Line 2 101 A 251 Polara 8001 Tapped Delay Line 4 101 A 400 Polara 77-09 Tapped Delay Line 1 54-016 Polara 8022 Tapped Delay Line 1 90-008-27 Polara 8313 Tapped Delay Line 3 1000942-00 Anderson 1 PE-9828 Pulse Eng 7749 10 133000-03 8216 Other numbers shown 00A547 20933 H.K. Marked on side
Condition:
New other (see details): A new, unused item with absolutely no signs of wear. The item may be missing the original packaging, or in the original packaging but not sealed. The item may be a factory second or a new, unused item with defects. See the seller’s listing for full details and description of any imperfections. ...
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