7K11
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 built-in calibrator with 75 Ω output impedance. All RF connectors are BNC.
Key Specifications
| Frequency Range | 30 to 890 MHz |
|---|---|
| Input Impedance | 75 Ω |
| VSWR | <2:1 |
| 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 |
Prices
1980: $575 (~$2,100 in 2023 Dollars)
