and the urgent need for economy in materials have again established the aquot; miniature aquot; valve for more general use. No. 4 is a further variant of the aquot; miniature aquot; valve for use when more than 7-pin connections are required, either for ... This valve gives a peak pulse power output of 15 kW at frequencies up to 1, 500 Mc/s, with a high duty cycle. ... modulators has cul- specially designed to operate in oil and can withstand a peak inverse voltage of 150 kV and give an output of 1 mA max.