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{museum features} Mullard | equivalentsAR4 - CV1303 - HL210articles
The Azide Process - The Philips-Mullard (PM) Series - Mullard PM1HF Box
collections The Hampshire Collection |
The PM1HF is part of the first series of Philips-Mullard valves. The filament has an oxide coating applied by the Azide process. The PM1HF was introduced in 1926 as an HF amplifier and Also for use as a Detector. The µ or amplification factor is 15.
The glass at the top of the balloon is etched with the main information relating to the valve.
The balloon envelope is 40 mm in diameter and, excluding the B4 base pins, is 74 mm tall.
Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
ra
gm
2.0
0.1
150
28k
0.5
More
This exhibit was last updated on 13 March 2010
The glass at the top of the balloon is etched with the main information relating to the valve.
The balloon envelope is 40 mm in diameter and, excluding the B4 base pins, is 74 mm tall.
Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
ra
gm
2.0
0.1
150
28k
0.5
More
This exhibit was last updated on 13 March 2010
The balloon envelope is 40 mm in diameter and, excluding the B4 base pins, is 74 mm tall.
Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
ra
gm
2.0
0.1
150
28k
0.5
More
This exhibit was last updated on 13 March 2010
Absolute Maximum Operating Conditions
Triode |
Vh |
Ah |
Va |
ra |
gm |
2.0 |
0.1 |
150 |
28k |
0.5 |
More
This exhibit was last updated on 13 March 2010 |