Tektronix 7A18 75MHz Dual-Channel Amplifier

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BAMA 7A18 Free Manual Download Site

Tektronix Catalog CostLow BidHigh Bidaverage
$535 (1973)
$750 (1977)
$1145 (1982)
109031
$13.00 7/26/01 #1618706998 ridgeeq
$34.00 8/2/01 #1620870897 del1935
$34.00 8/2/01 #1620870291 del1935
$25.00 8/3/01 #1622501323 teoutlet
$20.50 8/4/01 #1622131983 chillu
no bid (asked $25.00) 8/6/01 #1623549176 teoutlet
$22.00 8/9/01 #1623275975 scottjoh
no bids (asked $25) 8/9/01 #1624586116 teoutlet (Tucker)
$20.00 8/10/01 #1623701772 bbg
$18.15 8/11/01 #1623787342 jl_fisher
$26.00 8/31/01 #1631036805 bbg
$20.25 9/7/01 #1633724570 bbg
$15.50 9/25/01 #1640094940 reliableendmill
$11.75 10/3/01 #1643174575 ridgeeq
$21.50 10/12/01 #1648433357 bbg
no bids (asked $25) 10/31/01 #1656214710 teoutlet
no bids (asked $25) 11/4/01 #1657837670 teoutlet
$30.00 11/5/01 #1656701377 pete-sigep
$25.00 (buy it now) 11/6/01 #1657269188 zamer88505
no bids (asked $25) 11/8/01 #1659712786 teoutlet
$10.49 11/9/01 #1658311945 judinkes (w/ Option 6)
$12.99 11/9/01 #1659565318 lapsmith
$19.99 11/11/01 #1659308899 mrgizmos
$10.49 11/11/01 #1659429883 dumond
$19.95 2/24/02 #1706852123 d-comm
$10.00 2/25/02 #1707178150 cincis_technology

  • Bandwidth is DC to 75 MHz
  • 1MegOhm 2%, 20pf
  • Volts/division is switch selectable from 5 mV to 5 V in 10 ranges.
  • Display modes include Channel 1, Channel 2, Alternate, Chop or Add.
  • Trigger source can be from either Channel

    The 1979 catalog lists the following recommended probes for the 7A18:
    Passive : P6009, P6013A, P6015, P6062B, P6101, P6105
    Active : P6202
    Current : P6021, P6302/AM503

    FAMILYBANDWIDTHRISETIME
    790080 MHz4.4 ns
    7704A Opt 980 MHz4.4 ns
    7704A80 MHz4.4 ns
    R770475 MHz4.7 ns
    760075 MHz4.7 ns
    750060 MHz5.9 ns
    740050 MHz7.0 ns
    730025 MHz14 ns
    ATTEN.RECOMM.
    PROBE
    SYSTEM
    ACCURACY
    RECOMM.
    FAMILY
    1XP60112%All
    10XP6065 (7A18)2%7300,7400
    P6053A (7A18)3%7600
    P6061 (7A18N)3%7300,7400
    100XP60093%All
    1X FETP62015%7500,7700,7900



    The Tektronix 7A18 is a Dual Trace Amplifier compatible with all Tektronix 7000 Series Mainframes.


    The 7A18 Dual-Trace Plug-In Amplifier is the basic building block of 3-trace and 4-trace operation. The unit features constant bandwidth for all deflection factors, 5 operating modes (Ch1, Ch2, ALT, CHOP, ADD), trigger source selectivity and color-keyed control grouping. Features include: Bandwidth: DC to 75MHz; Trace Identify Function; Polarity of Channel 2 is selectable; Deflection Factor: 5 mV/div to 5 V/div; Input R and C: 1 Mohm within 2%; approx. 20 pF