A device for tuning TVs of the type `` PNT-59 '' (X1-7 and X1-7A).
Instruments for adjusting and controlling the PTA.The device for tuning TVs "PNT-59" has been produced since 1959. It is intended for visual viewing of the frequency response of radio and television devices and is a combination of a four-band sweeping frequency generator, a marker generator and an oscilloscope device. With the help of the PNT-59 device, you can view the frequency characteristics of video amplifiers, intermediate frequency amplifiers for video and audio channels, a frequency detector, high-frequency amplifiers, PTP, PTC and VHF FM units, control the matching of the antenna cable with the TV input and antenna, determine the wave impedance high frequency coaxial cable. GKCH frequencies: (0.4 ... 15), (27 ... 60), (55 ... 102), (174 ... 232) MHz. U out = (50 ... 250) mV. Sensitivity 0.4 mm / mV. Since 1963, a complete analogue of the device has been produced under the name "X1-7" frequency response meter, and since 1971 a modernized version "X1-7A" has been produced. There is no information on it, but most likely it is also an analogue of previous devices.
