articles | M-OVDEQ
| equivalents |
|
Sensibly equivalent¶ to:- CV1156 - NR18This exhibit was last updated on 30 April 2013 |
|
The DEQ was introduced in 1923, and was intended to replace the Q and Qv. The construction is similar to the Q. The filament is a single wire running the length of the envelope and tensioned by a spring at the end opposite the anode and grid supports.
The anode and grid connections on the envelope pass to a shaped piece of glass rod that supports the electrodes. The grid helix is clearly visible in the picture above. A distinctive feature of the DEQ is the green band of paint around the centre of the envelope.
The DEQ is a very high impedance valve and its primary function was as a detector.
The thin glass tube envelope is 17 mm in diameter and, tip to tip measures 73 mm.
References: 1003 & 1004. Type DEQ was first introduced¶ in 1923.
Absolute Maximum Operating Conditions¶
Triode
Vh
Ah
3.0
0.2
The anode and grid connections on the envelope pass to a shaped piece of glass rod that supports the electrodes. The grid helix is clearly visible in the picture above. A distinctive feature of the DEQ is the green band of paint around the centre of the envelope.
The DEQ is a very high impedance valve and its primary function was as a detector.
The thin glass tube envelope is 17 mm in diameter and, tip to tip measures 73 mm.
References: 1003 & 1004. Type DEQ was first introduced¶ in 1923.
Absolute Maximum Operating Conditions¶
Triode
Vh
Ah
3.0
0.2
The DEQ is a very high impedance valve and its primary function was as a detector.
The thin glass tube envelope is 17 mm in diameter and, tip to tip measures 73 mm.
References: 1003 & 1004. Type DEQ was first introduced¶ in 1923.
Absolute Maximum Operating Conditions¶
Triode
Vh
Ah
3.0
0.2
References: 1003 & 1004. Type DEQ was first introduced¶ in 1923.
Absolute Maximum Operating Conditions¶
Triode
Vh
Ah
3.0
0.2
Absolute Maximum Operating Conditions¶
Triode |
Vh |
Ah |
3.0 |
0.2 |