Tektronix 1720
The 1720 is a half-rack width NTSC vectorscope designed for television signal monitoring applications. When used together with the companion 1730 Waveform Monitor, automatic tracking of selected lines in a frame and store/recall of setups are available. The 1720 has dual-channel capability, permitting simultaneous display and parallax-free internal graticules for precise evaluation. The vector display has 2 degree differential phase and 5% gain scale markings. An additional X-Y mode scale can be used for gain and phase measurements of stereo audio signals. VECTORSCOPE NTSC
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Tektronix 1720