The Tektronix AM511 is a CATV pre-amplifier plug-in for the TM500 system.
It is designed to operate as an accessory for the 7L12 and 7L13 Spectrum Analyzers, intended for measuring-signal-to noise, radiation, and field intensity on CATV, television, and FM installations. Other uses include radio-system servicing and measurements, as well as increasing sensitivity for EMI measurements. There is a very similar 7k plugin, the 7K11.
|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|
- Tekscope Vol. 8 No. 2 1976: New Products
1980: $575 (~$2,000 in 2022 Dollars)