Complex sentence: The latter variants also employ a capacitor in parallel with the (center-tapped) transformer primary, which together form a (resonant) LC tank; such a circuit was employed for example in driving the CRT of the Tektronix 547 oscilloscope.
Split into simpler sentences: The latter variants also employ a capacitor in parallel with the (center-tapped) transformer primary, which together form a (resonant) LC tank. Such a circuit was employed for example in driving the CRT of the Tektronix 547 oscilloscope.