North Hills 0017C 50 Ohm Isolation Transformer

[precaud]

This item is likely of interest to a forum member. Offered here is a North Hills 0017CC 50 Ohm Isolation Transformer. With a rated bandwidth of 10Hz to 5MHz, it is used with a network analyzer for making loop gain measurements of DC-DC converters and switching power supplies.

This xfmr has been recommended for this purpose for years by HP, Agilent, and now Keysight. You'll find it on the recommended accessories list of the E5061B VNA (see p. 7 and 8 of the E5061B Configuration Guide  http://literature.cdn.keysight.com/litweb/pdf/5990-4391EN.pdf)

This unit is in very good condition and works fine. Price is $45 direct or $49 via eBay:
https://www.ebay.com/itm/282968063608

It will ship USA or Int'l by Priority Mail small flat rate box.

Cheers.