The Tektronix 7K11 is a cable TV pre-amplifier plug-in for 7000-series scopes and a cousin to the AM511. It is intended for use with a 7L12 or 7L14 set to a -30 dBm reference level (on its 50 Ω input). The reference level selected on the 7K11 is calibrated in dBmV. It has its own build in calibrator with 75 Ω output impedance. All RF connectors are BNC.
|Frequency Range||30 to 890 MHz|
|Input Impedance||75 Ω|
|Reference Level||+79 dBmV to 0 dBmV in 1 dB steps|
|Output||to Spectrum Analyzer set to −30 dBm, 50 Ω|
|Intermodulation||>70 dB down|
|Calibrator||+30 dBmV, 50 MHz, 75 Ω|
1980: $575 (~$2,000 in 2022 Dollars)