YU191A

Other

• or modulator, or in voltage regulator applications. Its maximum rated anode dissipation is

  7000 W

  or modulator, or in voltage regulator applications. Its maximum rated anode dissipation is 7000 watts.

• Grounded grid operation is attractive since a power gain of over

  20

  Grounded grid operation is attractive since a power gain of over 20 times can be obtained.

• Voltage [1]

  7.5

  Voltage ..............................................7.5 ± 0.37 V Length ............................................. 10.4 in; 264 mm

• Voltage [2]

  0.37

  Voltage ..............................................7.5 ± 0.37 V Length ............................................. 10.4 in; 264 mm

• Voltage [3]

  10.4

  Voltage ..............................................7.5 ± 0.37 V Length ............................................. 10.4 in; 264 mm

• Voltage [4]

  264

  Voltage ..............................................7.5 ± 0.37 V Length ............................................. 10.4 in; 264 mm

• Current @ [1]

  7.5 V

  Current @ 7.5 volts ................................... 51.5 A Width ............................................... 7.1 in; 180 mm

• Current @ [2]

  51.5 V

  Current @ 7.5 volts ................................... 51.5 A Width ............................................... 7.1 in; 180 mm

• Current @ [3]

  7.1 V

  Current @ 7.5 volts ................................... 51.5 A Width ............................................... 7.1 in; 180 mm

• Current @ [4]

  180 V

  Current @ 7.5 volts ................................... 51.5 A Width ............................................... 7.1 in; 180 mm

• Amplification Factor, Average [1]

  160

  Amplification Factor, Average ........................... 160 Net Weight...................................................5.5 lb; 2.5 kg

• Amplification Factor, Average [2]

  5.5

  Amplification Factor, Average ........................... 160 Net Weight...................................................5.5 lb; 2.5 kg

• Amplification Factor, Average [3]

  2.5

  Amplification Factor, Average ........................... 160 Net Weight...................................................5.5 lb; 2.5 kg

• Direct Interelectrode Capacitances (Grounded Filament)

  2

  Direct Interelectrode Capacitances (Grounded Filament)2 Operating Position ................. Vertical, Base Up or Down

• Cin

  38 pF

  Cin ............................................................... 38.0 pF Maximum Operating Temperature:

• Cgp

  24 pF

  Cgp .............................................................. 24.0 pF Cooling .................................................................. Water

• Direct Interelectrode Capacitances (Grounded Grid)

  2

  Direct Interelectrode Capacitances (Grounded Grid)2 Base ....................................................... Special Coaxial

• Frequency of Maximum Ratings (CW)

  110 MHz

  Frequency of Maximum Ratings (CW) .............. 110 MHz

• Plate Voltage [1]

  4800 V

  Plate Voltage 4800 4800 4900 Vdc

• Plate Voltage [2]

  4800 V

  Plate Voltage 4800 4800 4900 Vdc

• Plate Voltage [3]

  4900 V

  Plate Voltage 4800 4800 4900 Vdc

• Class AB2 Zero-Signal Plate Current1 [1]

  350 mA

  Class AB2 Zero-Signal Plate Current1 0.35 0.35 0.36 Adc

• Class AB2 Zero-Signal Plate Current1 [2]

  350 mA

  Class AB2 Zero-Signal Plate Current1 0.35 0.35 0.36 Adc

• Class AB2 Zero-Signal Plate Current1 [3]

  360 mA

  Class AB2 Zero-Signal Plate Current1 0.35 0.35 0.36 Adc

• Single -Tone Plate Current [1]

  1.68 A

  Single -Tone Plate Current 1.68 2.00 2.25 Adc

• Single -Tone Plate Current [2]

  2 A

  Single -Tone Plate Current 1.68 2.00 2.25 Adc

• Single -Tone Plate Current [3]

  2.25 A

  Single -Tone Plate Current 1.68 2.00 2.25 Adc

• Single-Tone Grid Current2 [1]

  460 mA

  Single-Tone Grid Current2 0.46 0.60 0.65 Adc

• Single-Tone Grid Current2 [2]

  600 mA

  Single-Tone Grid Current2 0.46 0.60 0.65 Adc

• Single-Tone Grid Current2 [3]

  650 mA

  Single-Tone Grid Current2 0.46 0.60 0.65 Adc

• DC PLATE VOLTAGE [1]

  5000 V

  DC PLATE VOLTAGE................... 5000 Volts Driving Power2 293 410 535 Watts

• DC PLATE VOLTAGE [2]

  293 V

  DC PLATE VOLTAGE................... 5000 Volts Driving Power2 293 410 535 Watts

• DC PLATE VOLTAGE [3]

  410 V

  DC PLATE VOLTAGE................... 5000 Volts Driving Power2 293 410 535 Watts

• DC PLATE VOLTAGE [4]

  535 V

  DC PLATE VOLTAGE................... 5000 Volts Driving Power2 293 410 535 Watts

• DC PLATE CURRENT [1]

  2.5 A

  DC PLATE CURRENT. ............... 2.5 Amperes Plate Dissipation 2275 2275 2275 Watts

• DC PLATE CURRENT [2]

  2275 A

  DC PLATE CURRENT. ............... 2.5 Amperes Plate Dissipation 2275 2275 2275 Watts

• DC PLATE CURRENT [3]

  2275 A

  DC PLATE CURRENT. ............... 2.5 Amperes Plate Dissipation 2275 2275 2275 Watts

• DC PLATE CURRENT [4]

  2275 A

  DC PLATE CURRENT. ............... 2.5 Amperes Plate Dissipation 2275 2275 2275 Watts

• Single-Tone Plate Output Power [1]

  6000 W

  Single-Tone Plate Output Power 6000 7266 8250 Watts

• Single-Tone Plate Output Power [2]

  7266 W

  Single-Tone Plate Output Power 6000 7266 8250 Watts

• Single-Tone Plate Output Power [3]

  8250 W

  Single-Tone Plate Output Power 6000 7266 8250 Watts

• PLATE DISSIPATION [1]

  7000 W

  PLATE DISSIPATION ................... 7000 Watts Resonant Load Impedance 1720 1425 1308 Ω

• PLATE DISSIPATION [2]

  1720 W

  PLATE DISSIPATION ................... 7000 Watts Resonant Load Impedance 1720 1425 1308 Ω

• PLATE DISSIPATION [3]

  1425 W

  PLATE DISSIPATION ................... 7000 Watts Resonant Load Impedance 1720 1425 1308 Ω

• PLATE DISSIPATION [4]

  1308 W

  PLATE DISSIPATION ................... 7000 Watts Resonant Load Impedance 1720 1425 1308 Ω

• GRID DISSIPATION [1]

  225 W

  GRID DISSIPATION . .................... 225 Watts Driving Impedance 50.0 46.3 49.2 Ω

• GRID DISSIPATION [2]

  50 W

  GRID DISSIPATION . .................... 225 Watts Driving Impedance 50.0 46.3 49.2 Ω

• GRID DISSIPATION [3]

  46.3 W

  GRID DISSIPATION . .................... 225 Watts Driving Impedance 50.0 46.3 49.2 Ω

• GRID DISSIPATION [4]

  49.2 W

  GRID DISSIPATION . .................... 225 Watts Driving Impedance 50.0 46.3 49.2 Ω

• Published value

  1

  1. Bias voltage may be required.

• Class AB2 Plate Voltage [1]

  4000 V

  Class AB2 Plate Voltage 4000 4900 Vdc

• Class AB2 Plate Voltage [2]

  4900 V

  Class AB2 Plate Voltage 4000 4900 Vdc

• Zero-Signal Plate Current1 [1]

  250 mA

  Zero-Signal Plate Current1 0.25 0.36 Adc

• Zero-Signal Plate Current1 [2]

  360 mA

  Zero-Signal Plate Current1 0.25 0.36 Adc

• MAXIMUM RATINGS: DC Plate Current [1]

  740 mA

  MAXIMUM RATINGS: DC Plate Current 0.74 1.23 Adc

• MAXIMUM RATINGS: DC Plate Current [2]

  1.23 A

  MAXIMUM RATINGS: DC Plate Current 0.74 1.23 Adc

• DC PLATE VOLTAGE [1]

  5000 V

  DC PLATE VOLTAGE................... 5000 Volts DC Grid Current1 0.13 0.17 Adc

• DC PLATE VOLTAGE [2]

  0.13 V

  DC PLATE VOLTAGE................... 5000 Volts DC Grid Current1 0.13 0.17 Adc

• DC PLATE VOLTAGE [3]

  0.17 V

  DC PLATE VOLTAGE................... 5000 Volts DC Grid Current1 0.13 0.17 Adc

• Peak RF Grid Voltage2 [1]

  85 V

  Peak RF Grid Voltage2 85.0 125 Volts

• Peak RF Grid Voltage2 [2]

  125 V

  Peak RF Grid Voltage2 85.0 125 Volts

• DC PLATE CURRENT

  2.5 A

  DC PLATE CURRENT............... 2.5 Amperes

• Driving Power2 [1]

  11.5 W

  Driving Power2 11.5 21.2 Watts

• Driving Power2 [2]

  21.2 W

  Driving Power2 11.5 21.2 Watts

• PLATE DISSIPATION [1]

  7000 W

  PLATE DISSIPATION ................. 7000 Watts Plate Dissipation 1830 3840 Watts

• PLATE DISSIPATION [2]

  1830 W

  PLATE DISSIPATION ................. 7000 Watts Plate Dissipation 1830 3840 Watts

• PLATE DISSIPATION [3]

  3840 W

  PLATE DISSIPATION ................. 7000 Watts Plate Dissipation 1830 3840 Watts

• GRID DISSIPATION [1]

  225 W

  GRID DISSIPATION ...................... 225 Watts Carrier Plate Output Power 1130 2200 Watts

• GRID DISSIPATION [2]

  1130 W

  GRID DISSIPATION ...................... 225 Watts Carrier Plate Output Power 1130 2200 Watts

• GRID DISSIPATION [3]

  2200 W

  GRID DISSIPATION ...................... 225 Watts Carrier Plate Output Power 1130 2200 Watts

• Resonant Load Impedance [1]

  1750

  Resonant Load Impedance 1750 1100 Ω

• Resonant Load Impedance [2]

  1100

  Resonant Load Impedance 1750 1100 Ω

• Class C Plate Voltage

  4900 V

  Class C Plate Voltage 4900 Vdc

• Grid Voltage

  -50 V

  Grid Voltage -50 Vdc

• MAXIMUM RATINGS: Plate Current

  2.16 A

  MAXIMUM RATINGS: Plate Current 2.16 Adc

• DC PLATE VOLTAGE [1]

  5000 V

  DC PLATE VOLTAGE.......................5000 Volts Grid Current1 0.61 Adc

• DC PLATE VOLTAGE [2]

  0.61 V

  DC PLATE VOLTAGE.......................5000 Volts Grid Current1 0.61 Adc

• Peak RF Cathode Voltage1

  300 V

  Peak RF Cathode Voltage1 300 Volts

• DC PLATE CURRENT

  2.5 A

  DC PLATE CURRENT.................. 2.5 Amperes

• Calculated Driving Power1

  691 W

  Calculated Driving Power1 691 Watts

• PLATE DISSIPATION [1]

  7000 W

  PLATE DISSIPATION .................... 7000 Watts Plate Dissipation 2315 Watts

• PLATE DISSIPATION [2]

  2315 W

  PLATE DISSIPATION .................... 7000 Watts Plate Dissipation 2315 Watts

• GRID DISSIPATION [1]

  225 W

  GRID DISSIPATION........................ 225 Watts Useful Output Power2 7500 Watts

• GRID DISSIPATION [2]

  7500 W

  GRID DISSIPATION........................ 225 Watts Useful Output Power2 7500 Watts

• Published value [1]

  2

  2. Output circuit and filter loss of 10% assumed.

• Published value [2]

  10

  2. Output circuit and filter loss of 10% assumed.

• Filament Current @ [1]

  7.5 V

  Filament Current @ 7.5 volts…………….................................................. 48.0 54.0 A

• Filament Current @ [2]

  48 V

  Filament Current @ 7.5 volts…………….................................................. 48.0 54.0 A

• Filament Current @ [3]

  54 V

  Filament Current @ 7.5 volts…………….................................................. 48.0 54.0 A

• Zero Bias Plate Current ( Eb = [1]

  5000 V

  Zero Bias Plate Current ( Eb = 5000 Volts)…………………………………… 0.36 0.52 A

• Zero Bias Plate Current ( Eb = [2]

  0.36 V

  Zero Bias Plate Current ( Eb = 5000 Volts)…………………………………… 0.36 0.52 A

• Zero Bias Plate Current ( Eb = [3]

  0.52 V

  Zero Bias Plate Current ( Eb = 5000 Volts)…………………………………… 0.36 0.52 A

• base down or up at the convenience of the circuit cooling. A minimum of

  6

  base down or up at the convenience of the circuit cooling. A minimum of 6 cfm should be directed into the

• temperature should not exceed

  70 C

  temperature should not exceed 70°C. be used to minimize power loss, corrosion of metal fittings,

• Published value [1]

  4 ohm

  4 1.3 2.5 column resistance is above 4 megohms per 1000 plate

• Published value [2]

  1.3 ohm

  4 1.3 2.5 column resistance is above 4 megohms per 1000 plate

• Published value [3]

  2.5 ohm

  4 1.3 2.5 column resistance is above 4 megohms per 1000 plate

• Published value [4]

  4 ohm

  4 1.3 2.5 column resistance is above 4 megohms per 1000 plate

• Published value [5]

  1000 ohm

  4 1.3 2.5 column resistance is above 4 megohms per 1000 plate

• Published value

  5

  5 or more. final layout if capacitance values are highly significant in