Tektronix 7A19 Wide Bandwidth 50-ohm Input Amplifier

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BAMA 7A19 Free Manual Download Site

Tektronix Catalog CostLow BidHigh Bidaverage
$500 (1973)
$1000 (1977)
$1980 (1982)
$2730 (1985)
$3010 (1989)
1516272
$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

    FAMILYBANDWIDTHRISETIME
    7100600 MHz0.6 ns
    7900500 MHz0.8 ns
    7800400 MHz0.9 ns
    7704A Opt 9250 MHz1.5 ns
    7704A200 MHz1.8 ns
    R7704A175 MHz2.0 ns
    7600105MHz3.4 ns
    7500100 MHz3.5 ns
    740065 MHz5.4 ns
    730025 MHz14 ns
    ATTEN.RECOMM.
    PROBE
    SYSTEM
    ACCURACY
    RECOMM.
    FAMILY
    10XP60564%All
    100XP60574%All
    1X FETP62016%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