Henry Radio 3K Classic Mark II Operating And Maintenance Manual page 36

RADIO FREQUENCY LINEAR AMPLIFIER
CATHODE DRIVEN class AB2
TYPICAL OPERATION
(Frequencies to 30 MHz) Class AB2, Cathode Driven. Peak Envelope or Modulation Crest Conditions
Plate Voltage . ............ ... . . ..... ............ .... ..... ......
2500 3000 3500
4000 Vdc.
Cathode Voltage' . ..... . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . .. . . . . . . . 0 0 0
0 Vdc
Zero-Signal Plate Current3 .......... ... .......... ........ .....
130 165
205
240 mA dc
Single-Tone Plate Current .. ... .. ...... .... .................... 800 800 800 800 mA dc
Two-Tone Plate Current ...................................... 540 560 570 565 mA dc
Single-1 one Grid Current3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
255 250
275 250 mA dc
Two- Tone Grid Current3 ......................................
140
130 140 112
mA dc
Peak rf Cathode Voltage3 .. ... .... ... .. .. ....... .......... ....
115
105 120
1 15
vAc
Peak Driving Power3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 105
110
100
W
Single-Tone Useful Output POWer:3 ............................ 1250
1600 1870
2055 W
Resonant Load Impedance ................................... 1750 2080 2430
2780 ohms
Intrarmodulatlon Distortion ProdUCIS2
3rd Ordor ................................................... -37 -35 -30
-33 dB
5th Order ...................................................
42 -41 -43
-48 dB
1 i'ii4.dwo t.;tlhnde Doti rloy hr- pruv+rle-tl by cr ze+nrv rUodr.t
2 ThV inhVnnex:ulahun rlislurUon products arr• reltNenr.r.0 aqain5l Olt' Innr Of a fwu oqual binr• tiqnal
3 Approxrnrafc valr;cs
MAXIMUM RATINGS:
DC Plate Voltagc! .. .. ... ... ... ............... . .............. .. .. ........................ .... .. ..... ....... 5500 V
DC Plate Current .. ......................................................................................
0 9 Adr:
Grid Dissipation ............................................................................................. 50 W
Plate Dissipation ......................................................................................... 1200 W
RADIO FREQUENCY POWER AMPLIFIER
CATHODE DRIVEN class c
TYPICAL OPERATION
Carrier Conditions. Frequencies to 30 MHz
Plate Voltage :..................................................................................
5000 Vdc
Cathode Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +65 Vdc
Plate Current .................................................................................. 800
mA dc
Grid Current .. ........ .. .............. ...................................... ..................
240 mA dc.
Plate Load Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . 3200
ohnis
Driving Power . . . .. . . . . . . . . . . . .. . . . . . . . . .. . . .... . .. .. . . . . . . . . .. . . . .... . .. .. .. ......... ....... . . 43 W
Plate Output Power . . . . . . . . . .. .. . . .. .. .. . .. . . . . .. ..... . .. .. . . . .. . .... . . . . . ...... ............ .. 2700
W
Power Gain . .. . . . . . . . . . . . . . . . ..... . . . .. . . . ... . . .. ... . . . . . .... .. ......... . .. ... ................ 18
dB
MAXIMUM RATINGS:
DC Plate Voltage ............... .... ................................... ................................... 5500 V
[)C Plate Current ..... ................................................................................... 0.9 Adc
Grid Dissipation ............................................................................................. 50 W
Plate Dissipation .... ..................................................................................... 1200 W
r.-7