The 1F6 is a screened tetrode with double diodes and rated for battery use. It would have found use as a final IF amplifier, signal detector and AGC detector in battery superhet receivers. When on an IO bas it is called an 1F7G and was released in 1937.Inside the perforated screen is a cylindrical anode. The grids are of thin wire held on notched support rods. The grids are rounded at the support rods and flat across the width. The smaller cylinder is an auxillary diode with a directly heated single strand filament.The classic envelope is 35 mm in diameter and, excluding the UX6 base pins, is 97 mm tall.References: Data-sheet & 1043. Type 1F6 was first introduced in 1936. See also 1936 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | tc |  f+ | a | g2 | a(d2) | a(d1) | f- | g1 |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | mAs | ra | gm | 
| 2.0 | 0.06 | 180 | 67.5 | -1.5 | 2.2 | 0.7 | 1M | 0.65 |
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Updated February 21, 2013.
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