|
BEAM TETRODE
used for output
stages in power audio frequency amplifiers.
Cathode: indirectly heated, oxide-coated.
| Uh, V | Ua, V | Ug1, V | Ug1true, V | Ug2, V | Uc-h | Ra, MOhm | Rg1, MOhm | |||
| Reverse 1st grid current | Ig1 | < 2µA | 6.3 | 250 | -15 | - | 250 | - | - | 0.24 |
| Transconductance | S | > 5 mA/V | 6.3 | 250 | -15 | - | 250 | - | - | |
| Heater current | Ih | 1.2-1.5 A | 6.3 | - | - | - | - | - | - | - |
| Anode current | Ia | 60-100 mA | 6.3 | 250 | -15 | - | 250 | - | - | |
| Second grid current | Ig2 | 10 mA | 6.3 | 250 | -15 | - | 250 | - | - | |
| Signal output power | Poutput | > 5.4W | 6.3 | 250 | -15 | 10.6 | 250 | - | 2.2 | |
| Leakage current Cathode to Heater | Ic-h | < 100 µA | - | - | - | - | - | - | - | |
| Insulation resistance between cathode and heater | Rc-h | > 1.5 MOhm | 6.3 | - | - | - | - | ±150 | - |