Mullard 56AVP 'fast' photomultiplier
 |
Measurements are 187x52mm
overall. The base has 20 pins. |
This device, described as a
Fast photomultiplier
has a 14-stage electron multiplier.
It has an S-11 spectral response
photocathode and a 2ns rise time.
| Wavelength at max response |
4200 +/- 300 Angstroms |
| Max voltage across tube |
3500V |
| Max anode current |
2mA |
| Max anode dissipation |
1W |
| Max cathode to focusing
electrode voltage |
100V |
| Min cathode to accelerating
electrode/dynode 1 voltage |
250V |
| Max deflection electrode
to accelerating electrode/dynode 1 voltage |
100V |
| Max voltage between adjacent
dynodes |
500V |
| Min voltage between adjacent
dynodes |
80V |
| Max anode to dynode 14
voltage |
500V |
| Min anode to dynode 14
voltage |
80V |
| Pin |
Function |
Pin |
Function |
| 1 |
Deflection electrode |
11 |
Dynode 14 |
| 2 |
Accelerating electrode
+ Dynode 1 |
12 |
Dynode 12 |
| 3 |
Dynode 3 |
13 |
Dynode 10 |
| 4 |
Dynode 5 |
14 |
Dynode 8 |
| 5 |
Dynode 7 |
15 |
Dynode 6 |
| 6 |
Dynode 9 |
16 |
Dynode 4 |
| 7 |
Dynode 11 |
17 |
Dynode 2 |
| 8 |
Dynode 13 |
18 |
i/c |
| 9 |
i/c |
19 |
Focusing electrode |
| 10 |
Anode |
20 |
Photocathode |
|
