@ all POWER TRIODE GENERAL DATA Electrical: Filament, Thoriated—Tungsten: Voltage, 2. ee 10 rr Current. . 5. ee ee B25 oe Amplification Factor... 12 Direct Interelectrode Capacitarces Grid to Plate, 2... . 14 ae Grid to Filament... . 5.4 Plate to Filament. . . 48 . Mechanical: Mounting Position. .. . Vertical, Maximum Diameter... ee ee Bulb... ee. noe Pase . . Med a Bin 1-Grid Qa Pin 2—Fllament ¢ Mh 17” AKEPLANE OF ELECTRODES Maximum CCS® Ratings, Absolute Values: Maximum Overall Length... ewe ee fumMetal-ShelT Jumbo Basing Designation for BOTTOM VIEW... wee ac or de volts 4—-Pin, Bayonet Pin 3-Plate AF POWER AMPLIFIER & MODULATOR—Class A) o amp suf coal pat ; or Horizontal, vertical glare 7-7/8" 4AZ Pin 4—Filament DE PLATE VOLTAGE . . 1250 mix. volts PLATE DISSIPATION, © 6 6. ee ee eee 75 max, watts Typical Operation and Characteristics: OC Plate Voltage... . 750 O00) 1250 volts DC Grid Voltage# . 2 1. 46 80 volts Peak AF Grid Vol a 4d volts, OC Plate Current... . 34 me Plate Resistance 2... Agog ohm [raneconductance wee 2750 umhos Load Resistance, . 8800 ohms énd Harmonic Distortion, 5 & Power Output... 6. 5.6 watts AF POWER AMPLIFIER & MODULATOR—Class B Maximum CCS® Ratings, Absolute Values: IDC PLATE VOLTAGE Fw we ee ee eee 1Z5G mix. valts @#: see next-oaze. Indicates e chaque MAY 1, 1950 DATA 1 TUBE DEPARTMENT RADIO CORPORATION OF AMERICA, HARRISON, NEW JERSEY» ee 2il POWER TRIODE MAX.-SIGNAL DC PLATE CURRENT*, 2 2 2. 2. 175 max, ma, MAX.-SIGNAL PLATE INPUT* 2... 2 ee ee 220 max. watts PLATE DISSIPATION® 2. 2. eee ee eee 100 max, watts Typical Operation: Values are for 2 tubes OC Plate Voltage... .. eee 1000 1250 volts DC Grid Voltage# . . ee eee -i7 ~100 volts Peak AF Grid-to-Grid Voltage... 380 410 volts Zero-Signal DC Plate Current... 20 20 ma IMax.~Signal DC Plate Current... 320 320 ma Effective Load Resistance (plate-to-plate) .. 2... 6900 3000 ohms IMax.-Signal Driving Power (Approx)... 1. 7.5 8 watts Max.-Signal Power Output (Approx.). 2... 200 260 watts RF POWER AMPLIFIER—Class B Telephony Carrier conditions per tube for use with a sax. nodulation factor of 1.0 Maximum CCS® Ratings, Absolute Values? DC PLATE VOLTAGE... ee 1250 max. volts DC PLATE CURRENT ©... ee 150 max. ma PLATE INPUT. 22 2. ee eee 150 max, watts PLATE DISSIPATION. 2 2... ee 100 max. watts Typical Operation: DC Plate Voltage... . 2... 1000 1250 volts OC Grid Voltage# 2. ~77 100 volts Peak RF Grid Voltage... .. - 125 125 volts DC Plate Current... 2. 2. 130 106 ma DC Grid Current (Approx.J°. . . 5 1 ma Driving Power (Approx.J4 7... 10 7.5 watts Power Output (Approx.) . 2... 40 42.5 watts PLATE-MODULATED RF POWER AMPLIFIER~-Class C Telephony Carrier condittons per tube for use with a max. modulation factor of 1.0 Maximum CCS® Ratings, Absolute Values: DC PLATE VOLTAGE. 2. ee ee 1000 max. volts OC GRID VOLTAGE, 2. ee -400 max. volts OC PLATE CURRENT. 2... ee ee 175 max. ma DC GRID CURRENT. ©. 2 eee ee 50 max, ma PLATE INPUT, 2. we ee ee ee ee 175 max. watts averaged over any audio-frequency cycle of sine-wave form. # For ac filament supply. 4 at crest of audio-frequency cycle with modulation factor of 1.9. 17: see next page. MAY 1, 1950 TUBE DEPARTMENT DATA RADIO CORPORATION OF AMERICA, HARRISON, NEW JE8SEYxy, s 2ll POWER TRIODE PLATE DISSIPATION, 2... ee eee ... 67 max. watts Typical Operation: OC Plate Voltage... .. 2 eee 750 1000 volts OC Grid Voltage. . 2 2. wee 200 260 volts Peak RF Grid Voltage... . 2... 350 410 volts DC Plate Current. 2... 2 2 6. 150 156 ma DC Grid Current (Approx.J° . 2. 35 35 ma. Driving Power (Approx.J? 2... 12 14 watts Power Output (Approx.) .... 2 65 100 watts RF POWER AMPLIFIER & OSCILLATOR—Class C Telegraphy Key-doun conditions per tube without nodulation Maximum CCS® Ratings, Absolute Values! OC PLATE VOLTAGE. 2... ee ee 1250 max. volts DC GRID VOLTAGE, © we ee ee . -400 max. volts DC PLATE CURRENT . 2... bee ee ee 175 max. ma DC GRID CURRENT. © 2 ee ee ee ee 50 max, ma PLATE INPUT, © 2 2 ee ee ee 220 max. watts PLATE DISSIPATION, © 2. 2 wee hee 100 max. watts Typical Operation: OC Plate Voltage... . . 750 1000 1250 volts DC Grid Voltage... . . . 135 -175 -225 volts Peak RF Grid Voltage... 275 315 375 volts DC Plate Current... . . 150 156 150 ma OC Grid Current (Approx.j® 18 18 18 ma, Driving Power (Aperox.)°. 5 6 7 watts Power Output (Approx.} .. 65 100 130 watts © continuous Commercial service. O for effect of load resistance on grid current and driving power, refer to TUBE RATINGS--Grid Current and Driving Power in General Section. SO Nodutation essentially neaative may be used if the positive peak of the audio-frequency envelope Joes not exceed 115% of the carrier con~ ditions. Data on operating frequencies for the 211 are yiven on the sheet TRANS. TUBE RATINGS vs FREQUENCY. MAY 1, 1950 TUBE DEPARTMENT DATA 2 RADIO CORPORATION OF AMERICA, HARRISON, NEW JERSEYN, > A) et POWER TRIODE ae 118 BULB MEDIUM METAL - SHELL JUMBO _4-PIN BAYONET BASE 92CM-7313 MAY 1, 1950 TURE DEPARTMENT CE-7313 RADIO CORPORATION OF AMERICA, HARRISON, NEW JERSEYall AVERAGE PLATE CHARACTERISTICS Eg =l0 VOLTS AC 1500 PLATE VOLTS (Ep) 1000 500 a 3g g ° = = 3 PLATE AMPERES JAN . 10,1936 TUBE DEPARTMENT 92CM-4537 RADIO CORPORATION OF AMERICA, HABEISON, NEW JERSEY> ) all TYPICAL CHARACTER Eg =10 VOLTS AC ISTICS a“ Wl « wi a = < a 2 = 2 x o 0 ‘400 800 1200 PLATE VOLTS JAN. 13, 1936 TUBE DEPARTMENT 92CM ~ 4538 RADIO CORPORATION OF AMERICA, HABKISON, NEW JFRSEY