Download Test Report - Tube CAD Journal

SE Amp CAD
300B WE
Results
Circuit Setup
Output tube type
Output Transformer
Bias method
Plate load resistance
Plate idle current
B+ voltage
Peak input voltage
Tran. primary resistance
300B WE x 1
Bartolucci 24
Cathode
4.1 k
60 mA
494 v
80 v
100 ohm
494 v
Bartolucci 24
8 ohm
4k
Tube Data
Amplification Factor (µ)
Transconductance (gp)
Transconductance (gm)
Plate Resistance (rp)
Max Plate Voltage
Max Plate Current
Max Plate Dissipation
3.82
1.15 mA/v
4.4 mA/v
868 ohm
400 v
100 mA
40 W
488 v
.33µf
1k
200k
117 vac
Transformer Data
Heat dissipation
Winding Ratio
Winding Ratio²
Primary inductance
Efficiency
300B WE
5 vac CT
87 v
367 mW
22.6 : 1
512.5
25 H
95.6%
1.45 K
10w
11 µf
Output Stage
Plate dissipation @ Idle
Average plate dissipation
Max plate dissipation ratio
Output impedance
Gain
PSRR
Rectification
Slew rate of input
Plate efficiency
Stage efficiency
24.2 W
17.2 W
61%
716 ohm
3.03
-2 dB
.54 mA
10 v/µs
29%
23%
Cathode resistor
Resistor value
Heat dissipation
Bypass capacitor value
IV Dynamics: Rectification Effect Included
Vp max
Delta
Vp avg
Delta
Vp min
7v
=
=
=
=
=
616 v
216 v
400 v
268 v
132 v
Vg max
Delta
Vg avg
Delta
Vg min
=
=
=
=
=
-167 v
80 v
-87 v
80 v
-7 v
Ip min
Delta
Ip avg
Delta
Ip max
87 v
=
=
=
=
=
7.9 mA
52.6 mA
60.5 mA
65.4 mA
126 mA
167 v
126 mA
1.45 k
5.31 W
11 µf
Output into Load
Power (RMS)
Voltage (RMS)
Current (RMS)
Output impedance
Damping factor
Distortion 2nd
2nd harmonic in -dB
Distortion 3rd
3rd harmonic in -dB
Date 2/28/01
6.98 W
7.47 v
934 mA
1.57 ohm
5.1
5.4 %
-25.3 dB
0.9 %
-40.9 dB
60.5 mA
7.9 mA
0
132 v
400 v
616 v
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