UCH11 @ The Valve Museum

▼ Menu

Home Search Indexes Equivalents Articles Adverts & Boxes Timeline Collections Donate Contact

UCH11

Extras ▼

Philips G8LSD Valve Collection Other UCH11 exhibits

The UCH11 is a triode hexode mixer from 1939. The triode oscillator section is internally connected to the mixer for LO injection.

The Philips Miniwatt and type designation on the metal dome.

The Footless base the pins number clockwise from the top right. This is the Philips way of numbering and we have adopted this for all our valves.

The base that came with the valve.

The connection side of the chassis mounting base.

The wide glass tube envelope is 36 mm in diameter, and excluding the Footless base pins is 37 mm tall.

References: Data-sheet & ³⁰⁰². Type UCH11 was first introduced in 1939. See also 1939 adverts.

Pin Connections

Footless	1	2	3	4	5	6	7	8
	g2,g4	g1	k,m	a	h	h	g3,g1(t)	a(t)

Absolute Maximum Operating Conditions^¶

Hexode	Vh	Ah	Va	Vs	Vg	mAa	mAs	gm
	20.0	0.1	200	200	-18	2.5	3.0	1.9

Thanks to Frank Philipse for supplying the above PDF datasheet.

Updated July 27, 2019.

Return to Main Index