| KyteLabs InfoBase - Electron Tubes & Valves Data | Last modified: 2016-11-25 (18650) | 
| 8 | Verschiedene Betriebsdaten Miscellaneous Operating Characteristics | 
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| 8.6 | Dynamische Triodenkennlinien Dynamic Triode Characteristics | 
|    | 2A3 | 15572 | ||||||||||||||||
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| CF: | (Pout, Ia, k2, k3) = f (RaL) @ Ua = 250 V Ug = –45 V Ug~ = 31.8 V.RMS Uf = 2.5 V | Tse39 | ||||||||||||||||
| RaL: Pout: k2: k3: Ia: | 1.0 5.2 12 3.0 87 | 1.2 5.0 10 2.3 83 | 1.4 4.8 8.5 1.8 80 | 1.6 4.6 7.2 1.4 77 | 2.0 4.2 5.6 0.8 72 | 2.4 3.8 4.5 0.5 69 | 2.5 3.7 4.3 0.4 68 | 2.8 3.5 3.8 0.3 67 | 3.0 3.4 3.6 0.3 66 | 3.2 3.3 3.3 0.2 66 | 3.6 3.1 3.0 0.2 66 | 4.0 2.8 2.7 0.2 65 | 4.4 2.7 2.4 0.2 65 | 5.0 2.5 2.2 0.3 64 | 5.2 2.4 2.1 0.3 64 | 5.6 2.3 2.0 0.3 64 | 6.0 2.2 1.9 0.4 64 | kOHM W % % mA | 
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| CF: | (Ug~, Ia, k2, k3) = f (Pout) @ Ua = 250 V Ug = –45 V Uf = 2.5 V RaL = 2.5 kOHM | Tse39 | ||||||||||||||||
| Pout: Ug~: k2: k3: Ia: | 0.2 7.0 0.9 0.1 61 | 0.4 10 1.3 0.5 62 | 0.6 13 1.6 0.9 62 | 0.8 15 1.8 0.9 63 | 1.0 17 2.1 0.8 63 | 1.2 18 2.3 0.5 64 | 1.4 19 2.5 0.3 64 | 2.0 23 3.0 0.2 65 | 2.4 25 3.3 0.2 66 | 2.8 27 3.6 0.3 67 | 3.2 29 3.9 0.3 68 | 3.6 31 4.2 0.4 69 | 4.0 33 4.4 0.4 69 | 4.4 34 4.7 0.5 70 | 4.8 36 4.9 0.6 70 | 5.0 37 5.0 0.7 71 | 5.4 38 5.2 0.9 72 | W V.RMS % % mA | 
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|    | 45 | 15563 | |||||||||||||
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| CF: | (Pout, Ia, k2, k3) = f (RaL) @ Ua = 250 V Ug = –50 V Uf = 2.5 V | Tse39 | |||||||||||||
| RaL: Pout: k2: k3: Ia: | 1.0 2.15 16.5 3.5 52 | 1.5 2.30 12 2.5 48 | 2.0 2.30 9.3 2.0 45 | 2.5 2.25 7.5 1.5 43 | 3.0 2.15 6.3 1.1 41 | 3.5 2.00 5.3 0.8 40 | 3.9 1.90 4.8 0.6 39 | 4.5 1.80 4.2 0.5 38.5 | 5.0 1.75 3.8 0.4 38 | 5.5 1.65 3.4 0.35 38 | 6.0 1.55 3.1 0.3 37.5 | 6.5 1.50 2.9 0.25 37.5 | 7.0 1.45 2.7 0.2 37.5 | 7.5 1.40 2.5 0.15 37 | kOHM W % % mA | 
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| CF: | (Ug~, Ia, k2, k3) = f (Pout) @ Ua = 250 V Ug = –50 V Uf = 2.5 V RaL = 3.9 kOHM | Tse39 | ||||||||||||||||
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| Pout: Ug~: k2: k3: Ia: | 0.1 9.0 1.1 0.1 34 | 0.2 12 1.5 0.1 34 | 0.3 14 1.8 0.2 35 | 0.4 16 2.2 0.2 35 | 0.5 18 2.5 0.2 36 | 0.6 20 2.6 0.2 36 | 0.7 22 2.8 0.2 36 | 0.8 23 3.0 0.2 36 | 0.9 24 3.2 0.2 37 | 1.0 26 3.4 0.2 37 | 1.2 28 3.8 0.3 37 | 1.4 30 4.1 0.3 38 | 1.5 31 4.2 0.4 38 | 1.6 32 4.4 0.4 38 | 1.8 34 4.7 0.5 39 | 2.0 36 4.9 0.7 39 | 2.2 38 5.2 0.8 40 | W V.RMS % % mA | 
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|    | 46 | 15568 | |||||||||||
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| CF: | (Pout, Ia, Ig, k) = f (Ug~) @ Ua(I) = 250 V Ug(I) = –33 V Uf = 2.5 V Ua(II) = 300 V RaaL = 3.5 kOHM | Rca37 | |||||||||||
| Ug~ (II): Pout: k: Ia (II): Ig (II): | 0 0 - 5.0 0 | 2.0 0.2 4.8 7.0 1.0 | 4.0 0.4 4.2 10 2.0 | 6.0 1.0 2.8 15 3.0 | 8.0 1.7 2.4 21 4.0 | 10 3.0 2.7 27 5.0 | 12 4.3 3.4 33 6.0 | 14 6.2 3.7 39 7.0 | 16 8.7 3.9 45 8.0 | 18 11.2 4.1 51 9.0 | 20 13.7 4.5 58 10 | 21.5 16 5.0 65 12 | V.RMS W % mA mA | 
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| V1, 2, 3: | 46 | Beschreibung der Bauteile - Parts Description | |||
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| Rf: | 20 | OHM | The grid- and the plate-return lead for the driver stage should be made to a variable center-tapped resistor across the filament for minimum hum adjustment. The grid- and plate-return for the Class B stage should be connected to the mid tap of the filament winding or to the center tap of a 20-ohm resistor across the winding. | ||
| T1: | Input Transformer | Optional | |||
| T2: | Driver Transformer | Transformer voltage ratio n1/n2 = n1/n3 = 2.2, transformer peak power efficiency = 79 %. | |||
| T3: | Output Transformer | Output load, plate-to-plate: RaaL = 3500 ohms. | |||
|    | 59 | 15569 | ||||||||||
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| CF: | (Pout, Ia, Ig, k) = f (Ug~) @ Ua(I) = 250 V Ug(I) = –28 V Uf = 2.5 V Ua(II) = 400 V RaaL = 6.0 kOHM | Rca37 | ||||||||||
| Ug~ (II): Pout: k: Ia (II): Ig (II): | 0 0 - 12 0 | 2.0 0.2 2.0 15 1.0 | 4.0 1.0 4.8 18 2.0 | 6.0 2.5 5.7 21 3.0 | 8.0 4.0 5.5 25 4.0 | 10 6.0 5.3 30 5.0 | 12 8.0 5.2 35 6.0 | 14 10.5 5.1 40 8.0 | 16 13.5 5.0 45 10 | 18 17 5.1 50 11 | 19.5 21 5.2 55 12 | V.RMS W % mA mA | 
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| V1, 2, 3: | 59 | Beschreibung der Bauteile - Parts Description | |||
|---|---|---|---|---|---|
| T1: | Input Transformer | Optional | |||
| T2: | Driver Transformer | Transformer voltage ratio n1/n2 = n1/n3 = 3.0 | |||
| T3: | Output Transformer | Output load, plate-to-plate: RaaL = 6000 ohms. | |||
|    | RV210 | 17333 | ||||||||||||
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| CF: | (Pout, k, Ig) = f (Ug~) @ Ub = 400 V Ia = 70 mA Rk = 720 Ohm RaL = 2.0 kOHM | Tfk52 | ||||||||||||
| Ug~: Pout: k: Ig: | 10 0.7 2.5 0 | 13 1.0 3.5 0 | 15 1.5 4.3 0 | 18 2.0 5.0 0 | 20 2.4 5.5 0 | 22 3.0 5.9 0 | 25 4.0 7.0 0 | 28 5.0 8.0 0 | 30 5.5 8.6 0 | 32 6.0 9.2 0 | 35 7.0 10.5 0 | 37 7.5 11.5 >0 | 40 8.0 13 >0 | V.RMS W % µA | 
| CF: | (Pout, k, Ig) = f (Ug~) @ Ub = 400 V Ia = 70 mA Rk = 720 Ohm RaL = 4.0 kOHM | Tfk52 | ||||||||||||
| Ug~: Pout: k: Ig: | 10 0.4 1.0 0 | 15 1.0 2.1 0 | 20 1.7 3.0 0 | 23 2.5 3.5 0 | 25 3.0 3.8 0 | 27 3.5 4.0 0 | 30 4.2 4.3 0 | 33 5.0 4.5 0 | 35 5.5 5.0 0 | 37 6.0 5.2 >0 | 40 7.0 5.5 >0 | 43 7.5 5.8 >0 | 45 8.0 6.2 >0 | V.RMS W % µA | 
| CF: | (Pout, k, Ig) = f (Ug~) @ Ub = 400 V Ia = 70 mA Rk = 720 Ohm RaL = 6.0 kOHM | Tfk52 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ug~: Pout: k: Ig: | 10 0.3 1.0 0 | 15 0.7 1.5 0 | 18 1.0 2.0 0 | 20 1.3 2.2 0 | 25 2.0 2.5 0 | 29 3.0 3.0 0 | 33 4.0 3.3 0 | 35 4.3 3.5 0 | 38 5.0 3.7 >0 | 40 5.5 3.9 >0 | 42 6.0 4.1 >0 | 45 6.5 4.5 >0 | V.RMS W % µA | 
| CF: | (Pout, k, Ig) = f (Ug~) @ Ub = 400 V Ia = 70 mA Rk = 720 Ohm RaL = 8.0 kOHM | Tfk52 | |||||||||
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| Ug~: Pout: k: Ig: | 10 0.2 0.5 0 | 15 0.5 1.0 0 | 20 1.0 1.5 0 | 25 1.7 2.0 0 | 30 2.5 2.5 0 | 35 3.5 2.8 0 | 38 4.0 3.0 >0 | 40 4.5 3.5 >0 | 43 5.0 4.0 >0 | 45 5.5 6.0 >0 | V.RMS W % µA |