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CV2980

Sensibly equivalent to:
DM70 IM3
    
Extras ▼

 

The CV2980 is a miniature tuning indicator designed for dry battery operation. The display changes from minimum to maximum for a 10 Volt change on the control grid.
The Mullard name and the commercial Type DM70 are both on the envelope.
The display travels within the keyhole shaped column.
The thin glass tube envelope is 9 mm in diameter and, excluding the B8D base wires is 41 mm tall.
References: Data-sheet & 1040.

 

Pin Connections
B8D & B8D/F
1
2
3
4
5
6
7
8
g1
ic
nc
f
f
nc
nc
a

 

Absolute Maximum Operating Conditions
CRT
Vh
Ah
Va
mAa
1.4
0.025
85
0.17
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated October 30, 2024.
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