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Gates Radio Company FM- 20B Instruction Book page 44

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TYPICAL 01).1:RATIONAL TEST DAT1
OBTAINED
ON
M5675 AM2LIFI3R
OPERATING AT
99.1MC
Pwr.
Out
65 W.
50 W.
23 W.
17 W.
13 W.
Pit.
Current
250 Ma.
215
Ma.
140 Na.
130 Ma.
110 Na.
Pit. Voltage
500 volts
520 volts
570 volts
580 volts
590 volts
Screen volts
290 volts
235 volts
150 volts
147 volts
132 volts
Screen Current
12 Ma:
8.5
Ma.
3
Na.
22 ha.
1.5 ha.
Cathode volts
68 volts
58 volts
35 volts
33 volts
29 volts
Driving power
6.5 watts
2.5 watts
1 watt
. 8 watt
. 8
watt
Grid Voltage
-
10/
-
42"
- 7/-33"
- 8.5/-23"
- 5.5j-20°
- 3.5/-15"
(Grid
voltage measured at TP401. " indicates voltage before applying screen and plate voltage)
Plt.Pwr.Input
107 watts
97 watts
75 watts
72 watts
61 watts
Pit.
Dissipa-
tion
42 watts
47 watts
52 watts
55 gatts
48 watts
Pit.
Circuit
Efficiency
61%
52%
31%
23.5;0
21%
Figures
below obtained with no drive.
Pit.
Voltage
550 volts
560 volts
580 volts
580 volts
590 volts
Pit.
Current
165 Ma.
155 Ma.
125 Ma.
125 Na.
105
Ma.
Cathode volts
45 volts
40 volts
31 volts
31 volts
27 volts
Plt.Dissipation
83 watts
80 watts
69 watts
69 watts
59
watts
(All readings were made with screen connected t) regulated + 320 regulated supply)
-3-
M5675 Amp.

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