Tektronix 1705

The Tektronix 1705 Spectrum Monitor is a special purpose radio frequency monitor designed for rapid response television satellite news gathering applications.Using the 1705, an operator can identify the spectral pattern of a particular satellite and transponder to determine which video, audio, SCPC carries are present.It assists in the accurate adjustment of azimuth , elevation and polarization of the downlink/uplink antenna.It also provides a display of satellite and locally generated signals. Dual Band Operation The 1705 features front panel selectable inputs for L-band (900-1450 MHz) monitoring of television downlink signals from a low noise block converter (LNB) located at receive antenna, and 70 MHz band (45-100 MHz) monitoring of the television uplink exciter or other IF signals. Input frequency is displayed onscreen in both L-band and 70 MHz modes, and the L-band readout may be reconfigured to display a satellite frequency in the range of 0.9-20.0 GHz.A dc output is provided to power the low noise block converter.

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