Tektronix SG503 250kHz-250MHz Leveled Sine Wave Gen

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BAMA SG503 Free Manual Download Site
Bitsavers SG503 Free Manual Download Site

Orig CostLow BidHigh Bidaverage
$1050 (1977)
$1780 (1982)
$2130 (1985)
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$113.09 1/28/03 #3308173628 united13 (17 bids $10 start)
$81.00 3/23/03 #2517048880 testequipsales (powers up) (9 bids $20 start)
$90.00 3/23/03 #2517047925 testequipsales (powers up) (12 bids $20 start)
$128.00 4/14/03 #2521946148 anainstr (working) (14 bids $10 start)
$124.74 3/29/05 #7503019941 amgold.1 (6 bids $50 start) (tested, freq ok)
$132.55 (+$30 ship from Australia) 7/10/07 #110145741715 the-macservice-group (7 bids $49.99 start) (powers up)
$160.50 (+~$25 ship) 7/18/07 #220130081780 anainstr (9 bids $10 start) (newer version-shown working w/ scope)
$41.00 (+$18 ship) 7/16/07 #300128994253 norwaylabsinc (5 bids $9.50 start) (newer version-working-signal shown on scope)
$89.00 (+$12 ship) 4/8/09 #370182213601 bytefixx-nh (5 bids $24.99 start) (untested)
$76.00 (+~$15 ship) /7/09 #300319220482 aimitek (6 bids $29.94 start) (untested-old version)

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    The SG 503 signal generator is a general-purpose leveled sine-wave oscillator. It provides a leveled output amplitude which is variable from 250 kHz to 250 MHz. The selected frequency is indicated by a built-in autoranging frequency counter with a three-digit LED read-out on the front panel. accurately calibrated output voltage into 50 ohms is variable from 5 mV to 5,5 V peak-topeak. Amplitude accuracy 3 %. From 250 kHz to 100 MHz output amplitude will not vary more than 1%.