Tektronix 7A19 Wide Bandwidth 50-ohm Input Amplifier

Tektronix Catalog Cost	Low Bid	High Bid	average
$500 (1973) $1000 (1977) $1980 (1982) $2730 (1985) $3010 (1989)	15	162	72
$49.88 8/2/01 #1621491228 pete-sigep $66.01 8/6/01 #1622396608 ram-tech (Option 4-Variable Delay) $91.00 8/8/01 #1622894725 ryckblanchar $61.00 8/9/01 #1623314238 scottjob $31.50 9/18/01 #163759510 pactest $41.21 9/28/01 #1641100077 quecan $32.27 10/10/01 #1645933931 tapent no bids (asked $45) 10/31/01 #1654709434 goldenrubi $49.00 10/31/01 #1654682848 jbau $49.00 10/31/01 #1654652495 steveg6 (Opt 4) $22.50 11/1/01 #1654858791 asset-manager $46.00 10/31/01 #1654532487 dalewis1 $33.00 11/5/01 #1656576718 kabel_inc $61.00 11/8/01 #1657907380 rrkotowski $65.00 (buy it now) 11/8/01 #1658125239 jbau $43.00 11/9/01 #1658422853 tapent $27.00 11/12/01 #1659981403 kabel_inc $22.00 12/15/02 #1926236998 baconhamandeggs $26.00 12/16/02 #3100168319 baconhamandeggs $9.95 1/7/03 #3103628380 cyber_guys (defective) (1 bid) $20.50 1/9/03 #3105849597 baconhamandeggs (4 bids start $0.01) $28.10 1/13/03 #3106325622 united13 (7 bids $10 start) $135.00 1/14/03 #3105275876 machinre (new in box w/manual) (1 bid $135 start) $55.00 1/24/03 #3108796391 (untested) (1 bid) $26.00 3/23/03 #2515895662 73ham (fully tested) (8 bids $.01 start rsrv) $32.50 (+~$6 ship) 1/27/08 #160200997647 htechplace (8 bids $7 start) (looks intact but untested) $26.00 (+$15 ship) 5/22/08 #230252937516 teoutlet (2 bids #19.99 start) (physically good-sold as-is) $33.50 (+~$10 ship) 6/19/08 #330243922537 ridge_equipment (8 bids $9.99 start) (good cosmetic-guaranteed not DOA) $11.50 (+~$14 ship) 7/1/08 #110265086089 ruadhnh (5 bids $0.99 start) (untested) $28.99 (+$14 ship) 7/7/08 #380042209422 j-barkley (5 bids $9.99 start) ("good working condition"??-no testing described) $27.00 (+~$11 ship) 7/7/08 #330248745688 ridge_equipment (2 bids $24.99 start) ("tested to work") $12.67 (+$14 ship) 7/17/08 #180264575749 j-barkley (3 bids $9.99 start) ("working") $23.00 (+$7.70 ship) 8/4/08 #290249368317 parts4pc4sale (4 bids $9.99 start) (untested) $11.50 (+$18 ship) 8/7/08 #330258136669 funkyjunquetech (2 bids $9.99 start) (tested-"works perfectly") $37.00 (+~$12 ship) 9/2/08 #290256100182 appolon_computers (7 bids $9.99 start) (untested) $9.99 (+~$12 ship) 5/19/09 #220413710881 cieinternational (1 bid) (fully functional)

	Bandwidth : DC to 500 MHz into 50 ohms
	Calibrated 10 mV/div to 1 V/div in 7 steps
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	Out of production 11/1/2000

The 1979 catalog lists the following recommended probes for the 7A19:

Passive : P6056, P6057

Active : P6201, P6202

Current : P6302/AM503, P6303/AM503

FAMILY	BANDWIDTH	RISETIME
7100	600 MHz	0.6 ns
7900	500 MHz	0.8 ns
7800	400 MHz	0.9 ns
7704A Opt 9	250 MHz	1.5 ns
7704A	200 MHz	1.8 ns
R7704A	175 MHz	2.0 ns
7600	105MHz	3.4 ns
7500	100 MHz	3.5 ns
7400	65 MHz	5.4 ns
7300	25 MHz	14 ns

ATTEN.	RECOMM. PROBE	SYSTEM ACCURACY	RECOMM. FAMILY
10X	P6056	4%	All
100X	P6057	4%	All
1X FET	P6201	6%	7500,7700,7900

Option 4 (delay variable by +-0.5ns). The delay allows you to precisely match the propagation delays between two plugins when performing comparative measurements.

Tektronix 7A19 DC to 600MHz Amplifier
DC to 600MHz. Bandwidth(with 7104)
10mv/div to 1V/div Calibrated deflection factors.
50 ohm input

500 MHz Vertical Amplifier for the 7000 series mainframe scopes
Bandwidth: 500 MHz (600 MHz in a 7104)
Range: 10mV to 1V/division
Input Impedance: 50 Ohms