Tektronix DC508 1000MHz Digital Counter

Orig CostLow BidHigh Bidaverage
$ ? 59402176
$164.09 7/23/01 #1617688294 ridgeeq
$190.50 11/15/01 #1661337670 ridgeeq
$187.50 4/14/02 #1720727278 cpu-neoh
$59.00 (+$14 ship) 6/21/08 #350071674736 audiograveyard (8 bids $9.99 start) (untested)

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    This is a DC508 counter for the Tek TM500 series that measures frequency from 10 Hz to 1 GHz. A nine-digit LED Display shows frequency or total events from 0 to 999,999,999.

    This unit include option 1, which is a high stability timebase.
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    The Tektronix DC 508 Counter is designed to operate in TM 500 / TM 5000 series mainframes and measures frequency from 10 Hz to 1 GHz. Separate inputs are used for the 10Hz to 100MHz, and 100MHz to 1GHz. A nine digit display shows frequency or total events from 0 to 999,999,999.
    A switch selectable frequency resolution multiplier multiplies the resolution by 100 from 10 Hz to 25 kHz. This allows resolution of 0.01 Hz in 1 sec.