Tektronix SG504 250MHz-1GHz Leveled Sinewave Generator

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BAMA SG504 Free Manual Download Site
Bitsavers SG504 Free Manual Download Site

Tektronix Catalog CostLow BidHigh Bidaverage
$1995 w/ Leveling Head (1977)
$3030 w/ Leveling Head (1982)
$3600 w/ Leveling Head (1985)
...
$622.00 10/16/01 #1648258623 teknet (w/ leveling head)
no bids (asked $295) 10/31/01 #1655300433 del1935 (no lev. head)
$137.50 11/1/01 #1655766175 j.a. (no lev. head)
no bids (asked $495) 11/7/01 #1657518771 del1935 (w/ P6202A, AAG590 head, 013-0097-01 probe)
$213.27 11/8/01 #1658080098 pete-sigep (leveling head only)
$150.00 11/13/01 #1660275560 j.a. (no lev. head)
no bids (asked $495) 11/15/01 #1661197070 del1935 (w/P6202A,AAG590 head, 013-0097-01 probe)
$673.00 2/10/02 #1700255377 subsonicsignals (w/leveling head)
$128.01 7/8/02 #1746211581 notchback (no head)
$231.50 7/8/02 #1746211585 notchback (head only-no module)
$206.01 12/9/02 #1923104173 lhurd@pacifier.com (head only-no module)
no buy ($182.47 < reserve) 1/12/03 #3104741607 88ford (no head) (17 bids)
$215.00 3/29/03 #2514161644 calservice (untested? - no head) (26 bids $1 start)
$237.50 (+$ship) 5/5/06 #7614707265 looky_loo69 (16 bids $1.99 start) (tested)
$300.00 (+$15 ship) 12/13/06 #230063020847 teoutlet (2 bids $300 start) (w/ head - works - non DOA)
$177.51 (+~$15 ship) 1/23/08 #160200405943 chipxs (13 bids $49.99 start) (w/ head - powers up)

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    The SG504 provides a constant-amplitude sine wave over a frequency range from 245Mhz to 1050Mhz. Amplitude-reference sine waves of .05Mhz or 6.0Mhz are provided. The output head has an output impedance of 50Ohms. The peak-to-peak voltage from the output head is adjusted by a calibrated five-turn potentiometer. The SG504 Leveled Sine Wave Generator is designed for use in the TM500 series power modules(not included). The SG504 is generally used in calibration of oscilloscopes above 250Mhz but does have other various applications due to its relatively flat output.
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    This plug in is designed for calibrating high frequency oscilloscopes
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    Provides a leveled output amplitude that is variable from 235 MHz to 1050 MHz in two bands. Amplitude is variable from 0.5 Vpp to greater than 4.0 Vpp into 50 ohms. Frequency accuracy is 2 % of dial indication; amplitude accuracy is 3% of indicated amplitude and flat to 4% over the entire band. Second harmonic is at least 25 dB down. Requires Tektronix power supply mainframe.