Data set 01
1940 RCA
Published operating points and test conditions from this source.
Beam Power
Other
from RMA release #
1943 mA
from RMA release #347, Sept. 24, 1943
of the heater-cathode type. It contains two beam power D-C Plate voltage
500 V
of the heater-cathode type. It contains two beam power D-C Plate voltage 500 Volts
units within one envelope. Total maximum plate dis— p-C Screen Voltage
200 V
units within one envelope. Total maximum plate dis— p-C Screen Voltage 200 volts
D-C Grid Vo]ta%e
-38 V
D-C Grid Vo]ta%e . -38 Volts
sipation is
82 W
sipation is 40 watts. The exceptional efficiency and Peak R-F Grid-to-Grid vVoltage 82 Volts
high power sensitivity of the
17 V
high power sensitivity of the 829 permit full power Peak A-F Grid voltage 17 Volts
0-C Plate Current 120 Ma.
120 mA
0-C Plate Current 120 Ma.
output with very low driving power. For example, a D-C Screen Current
10 A
output with very low driving power. For example, a D-C Screen Current 10 Ma.
single tube operated in push-pull class C telegraph D~C Grid Current (Approx.)
2 mA
single tube operated in push-pull class C telegraph D~C Grid Current (Approx.) 2 Ma.
oriving Power (Approx.)*
0.5 W
oriving Power (Approx.)* 0.5 Watt
service is capable of handling a power input of
23 W
service is capable of handling a power input of 120 Power Output (Approx.) 23 Watts
quencies as high as
829 MHz
quencies as high as 200 Mc (1-1/2 meters). The 829 As Plate-Modulated Push-Pull R-F Power Amplifier -
high as
250 MHz
high as 250 Mc. Carrier conditions per tube for use witha max. modulation
The exceptional efficiency of the
125 V
The exceptional efficiency of the 829 at the ultra- D-C PLATE VOLTAGE . 125 max. Volts
high frequencies is made possible by the balanced and D-C SCREEN VOLTAGE (Grid MNo,
225 V
high frequencies is made possible by the balanced and D-C SCREEN VOLTAGE (Grid MNo,2) 225 max. Volts
D-C GRID VOLTAGE (Grid No
-175 V
D-C GRID VOLTAGE (Grid No.1) -175 max. Volts
compact structure of the beam power units, excellent
212 mA
compact structure of the beam power units, excellent 0-C PLATE CURRENT 212 max. Ma,
internal shielding, and close electrode spacing. The
15 mA
internal shielding, and close electrode spacing. The 0-C GRID CURRENT 15 max. Ma.
PLATE INPUT
90 W
PLATE INPUT 90 max. Watts
internal leads are short and heavy in order to mini- SCREEN INPUT
7 W
internal leads are short and heavy in order to mini- SCREEN INPUT 7 max. Watts
mize internal lead inductance. The terminal arrange- PLATE DISSIPATION
28 W
mize internal lead inductance. The terminal arrange- PLATE DISSIPATION 28 ®max. Watts
ment provides excellent insulation and is designed to D-C Plate voltage
425 V
ment provides excellent insulation and is designed to D-C Plate voltage 425 Volts
D-C Screen Voltage of
200 V
D-C Screen Voltage of 200 volts
of the tube is unnecessary in adequately shielded cir- D-C Grid voltage of
-60 V
of the tube is unnecessary in adequately shielded cir- D-C Grid voltage of -60 Volts
cuits. peak R-F Grid-to-Grid voltage
154 V
cuits. peak R-F Grid-to-Grid voltage 154 volts
The heaters are arranged to allow operation from p-C Plate Current
212 mA
The heaters are arranged to allow operation from p-C Plate Current 212 Ma.,
D-C Screen Current
35 mA
D-C Screen Current 35 Ma.
either a
11 V
either a 12,6~ or a 6.3-volt supply. D-C Grid Current (Approx.) 11 Ma.
Driving Power (Approx.)
0.8 W
Driving Power (Approx.) 0.8 watt
power Output (Approx.)
63 W
power Output (Approx.) 63 Watts
voltage {A.C. or D.C.) per unit
6.3 V
voltage {A.C. or D.C.) per unit 6.3 Volts
Current per Unit
500 A
Current per Unit 1.125 Amperes D-C PLATE VOLTAGE . 500 max. Volts
D-C SCREEN VOLTAGE {(Grid No
225 V
D-C SCREEN VOLTAGE {(Grid No.2) 225 max. Volts
of 60 ma. 8500 epprox.Micromhos D-C GRID VOLTAGE (Grid No.1) —175 max.
175 mA
of 60 ma. 8500 epprox.Micromhos D-C GRID VOLTAGE (Grid No.1) —175 max. Volts
D-C PLATE CURRENT
240 mA
D-C PLATE CURRENT 240 max. Ma.
D-C GRID CURRENT
15 mA
D-C GRID CURRENT 15 nax. Ma.
PLATE INPUT
120 W
PLATE INPUT 120 max. Watts
SCREEN INPUT
7 W
SCREEN INPUT 7 max. Watts
rid-Plate (with external PLATE DISS{PATION
40 W
rid-Plate (with external PLATE DISS{PATION 40 max. Watts
Output
500 V
Output 7.0 put D-C Plate Voltage 500 Volts
(Including internal screen Jrom a fixed supply of
200 V
(Including internal screen Jrom a fixed supply of 200 volts
by-pass condenser)
0 mA
by-pass condenser) 65 approx. ypt froma series resistor of 9300 0hms
T-16 0-C Grid voltage:
0 V
T-16 0-C Grid voltage:
See INSTALLATION (under Bulb) from a cathode reststor of
160 ohm
See INSTALLATION (under Bulb) from a cathode reststor of 160 ohms
TYPE OF COOLING from
3750 ohm
TYPE OF COOLING from 1 grid resistor of** 3750 Ohms
Peak R-f Grid-to-Grid voltage
128 V
Peak R-f Grid-to-Grid voltage 128 voits
MAXIMUM CCS RATINGS and TYPICAL OPERATING CONDITIONS D-C Plate Current
240 mA
MAXIMUM CCS RATINGS and TYPICAL OPERATING CONDITIONS D-C Plate Current 240 Ma.
D-C Screen Current
32 mA
D-C Screen Current 32 Ma.
CCS = Continuous Commercial Service D-C Grid Current (Approx.)
12 mA
CCS = Continuous Commercial Service D-C Grid Current (Approx.) 12 Ma.
Driving Power (Approx.)
0.7 W
Driving Power (Approx.) 0.7 Watt
Naximum Ratings Are Absolute Values Power Output (Approx.)
83 W
Naximum Ratings Are Absolute Values Power Output (Approx.) 83 Watts
Class C Telephony ohms (total} per tube, or
30000 ohm
Class C Telephony ohms (total} per tube, or 30000 ohms per unit., If
D-C PLATE VOLTAGE
500 V
D-C PLATE VOLTAGE . 500 max. Volts ## Modulation essentially negative may be used if the
2) 225 max. Volts positive peak of the audio-frequency envelope does
225 V
2) 225 max. Volts positive peak of the audio-frequency envelope does
D-C GRID VOLTAGE (Grid No
115 V
D-C GRID VOLTAGE (Grid No.1) -175 max. Volts not exceed 115% of the carrier conditions.
D-C PLATE CURRENT
120 mA
D-C PLATE CURRENT 120 max. Ma,
PLATE INPUT
60 W
PLATE INPUT 60 m=ax. Watts INSTALLATION
SCREEN INPUT
6 W
SCREEN INPUT 6 max. Watts
PLATE DISSIPATION
829 W
PLATE DISSIPATION 40 max. Watts The 829 may be mounted by means of a special socket
frequencies below
107 MHz
frequencies below 60 Mc; No. 9935 {UT-107) has built- put to the screen determined. The screens should not be
and is designed for use at frequencies above
60 MHz
and is designed for use at frequencies above 60 Mc. a barely perceptible red color. This temperaturecorresponds
The heaters of the
1 V
The heaters of the 829 are connected in series within supply lead. 1t should remove the screen voltage
operation from a
12.6 V
operation from a 12.6-volt supply or parallel operation Shielding of the r—f amplifier stage employing the
from a
829 V
from a 6.3-volt supply. Either an a-c or a d-c supply 829 is required for stable operation, A convenient
heater-voltage should not deviate more than £
10 V
heater-voltage should not deviate more than £10% from tube through a hole in a metal plate so that the edge
100 volts. |[If the use of a large resistor is neces— tiona! by-passin
100 V
100 volts. |[If the use of a large resistor is neces— tiona! by-passing methods and grounding are not ade-
829 is supplied with unmodulated r-f grid excita— supplied with screen
829 V
829 is supplied with unmodulated r-f grid excita— supplied with screen voltage by any of the methods
are supplied with unmodulated d-c voltage, The audio not exceed
600 V
are supplied with unmodulated d-c voltage, The audio not exceed 600 volts under key-up conditions. Grid
of the grids of the class C amplifier on the positive classes of service at frequencies as high as
200 A
of the grids of the class C amplifier on the positive classes of service at frequencies as high as 200
is generally never more than
0.5 W
is generally never more than 0.5 watt, The screen quencies provided the maximum vatues of plate volt-
RCA
250 V
RCA-829 can be modulated 100% The screen voltage power input that can be used up to 250 Mc for any
to plate voltage remains constant. Modulation of a FREQUENCY
250 V
to plate voltage remains constant. Modulation of a FREQUENCY 200 250 Mc
PUSH-PULL R-F POWER AMPLIFIER
10 A
PUSH-PULL R-F POWER AMPLIFIER 1.2 7O 10 ppf PER SECTION
(OPERATING FREQUENCY APPROX
200 MHz
(OPERATING FREQUENCY APPROX. 200 MC) 25 pf, 200 VOLTS
Ry R2 =
1 ohm
Ry R2 = 7500 TO 15000 OHMS, 1 WATT
R-F L [ ANQ?&NA R3 =
10 ohm
R-F L [ ANQ?&NA R3 = 60 OHMS, 10 WATTS
DRIVER AT &
15 ohm
DRIVER AT &7 Y FEEDERS Ry = 5300 OHMS, 15 WATTS
NOTE
2 V
NOTE 1: ADJUST COUPLING OF L1L2AND L3Lu FOR OPTIMUM GRID NOTE 2: GRID RESISTORS SHOULD BE ADJUSTED OK LBLR AT VOLT-
€4=12.6 VOLTS Eg¢xi2.6 VOLTS
6 V
€4=12.6 VOLTS Eg¢xi2.6 VOLTS
|_SCREEN VOLTS=
2200 V
|_SCREEN VOLTS=200 1 SCREEN VOLTS 2200
'«:'
25 V
'«:'5 7 \%\\c’*lo VOLTS €= +25— w / Rl
\\\
0 V
\\\ 3'-20 ¢ I// CONTROL-GRID VOLTS Ecy=0
PLATE v°“
8 V
PLATE v°“592c_ ianl PLATE vOLTS 92c~8ii2R1
Characteristic
As Grid-Modulated Push-Pull R=-F Power Amplifier - factor of
700 mA
As Grid-Modulated Push-Pull R=-F Power Amplifier - factor of 0.7
means of a protective resistance of about
2000 ohm
means of a protective resistance of about 2000 ohms resistor and fixed supply, or grid resistor and cathode
tive resistance of about
2000 ohm
tive resistance of about 2000 ohms in series with and fixed supply has the advantage of not only pro~