VALVES TUBES DATA CHARACTERISTICS
G4NSJ VALVES PAGES
ANODE CATHODE GRID PLATE SCREEN HEATERS

THE INFAMOUS 807

807 Beam Power Tube

 

 

 

 

Application

Heater-cathode type used as af power amplifier and modulator and as rf power amplifier and oscillator. May be used with full input up to 60 MHz. For class C telegraphy operation at 80 MHz, plate voltage and input should be reduced to 80 % of maximum ratings; at 125 MHz to 55 %. Class C telegraphy maximum plate dissapation, CCS 25 Watts, ICAS 30 Watts. Requires small 5-contact socket and may be operated in any position. Plate shows no color when tube is operated at maximum CCS or ICAS ratings.

Mechanical Data

Bulb .......................................... ST-16
Base .......................................... Medium Shell Small 5-Pin
Outline ....................................... 16-2
EIA Base ...................................... 5AW
Top Cap ....................................... Small
Mounting Position ............................. Any

Electrical Data

Heater Characteristics
Heater Voltage ................................ 6.3 Volts
Heater Current ................................ 0.9 Amperes
Maximum Heather-Cathode Voltage
Heater Positive with Respect to Cathode ..... 135 Volts
Heater Negative with Respect to Cathode ..... 135 Volts

Direct Interelectrode Capacitances (approx)

Pentode
Input ......................................... 12 pf
Output ........................................ 7 pf
Grid to Plate ................................. 0.2 pf

Maximum Ratings (Design Center Values)

Pentode
Plate Voltage ................................. 750 Volts
Grid No. 2 Supply Voltage ..................... 400 Volts
Grid No. 2 Voltage ............................ 300 Volts
Negative Grid No. 1 Voltage ................... -200 Volts
Plate Dissipation ............................. 30 Watts
Grid No. 2 Dissipation ........................ 3.5 Watts
Cathode Current ............................... 120 Ma.

Characteristics and Typical Operation

Class C Amplifier (CCS)
Plate Voltage ................................. 400 Volts
Grid No. 2 Voltage ............................ 250 Volts
Grid No. 2 Dropping Resistor .................. 19K Ohms
Grid No. 1 Voltage ............................ -45 Volts
Peak Grid No. 1 Voltage ....................... 65 Volts
Grid No. 1 Current ............................ 4 Ma.
Plate Current (Zero Signal) ................... 100 Ma.
Grid No. 2 Current (Zero Signal) .............. 8 Ma.
Driving Power ................................. 0.3 Watts
Power Output (approx) ......................... 35 Watts

Class C Amplifier (CCS)
Plate Voltage ................................. 500 Volts
Grid No. 2 Voltage ............................ 250 Volts
Grid No. 2 Dropping Resistor .................. 31K Ohms
Grid No. 1 Voltage ............................ -45 Volts
Peak Grid No. 1 Voltage ....................... 65 Volts
Grid No. 1 Current ............................ 4 Ma.
Plate Current (Zero Signal) ................... 100 Ma.
Grid No. 2 Current (Zero Signal) .............. 8 Ma.
Driving Power ................................. 0.3 Watts
Power Output (approx) ......................... 32 Watts

Class C Amplifier (CCS)
Plate Voltage ................................. 600 Volts
Grid No. 2 Voltage ............................ 250 Volts
Grid No. 2 Dropping Resistor .................. 44K Ohms
Grid No. 1 Voltage ............................ -45 Volts
Peak Grid No. 1 Voltage ....................... 65 Volts
Grid No. 1 Current ............................ 4 Ma.
Plate Current (Zero Signal) ................... 100 Ma.
Grid No. 2 Current (Zero Signal) .............. 8 Ma.
Driving Power ................................. 0.4 Watts
Power Output (approx) ......................... 40 Watts

Class C Amplifier (ICAS)
Plate Voltage ................................. 750 Volts
Grid No. 2 Voltage ............................ 250 Volts
Grid No. 2 Dropping Resistor .................. 62K Ohms
Grid No. 1 Voltage ............................ -45 Volts
Peak Grid No. 1 Voltage ....................... 65 Volts
Grid No. 1 Current ............................ 4 Ma.
Plate Current (Zero Signal) ................... 100 Ma.
Grid No. 2 Current (Zero Signal) .............. 8 Ma.
Driving Power ................................. 0.3 Watts
Power Output (approx) ......................... 54 Watts

Class C Modulated Amplifier (CCS)
Plate Voltage ................................. 325 Volts
Grid No. 2 Voltage ............................ 250 Volts
Grid No. 2 Dropping Resistor .................. 12.5K Ohms
Grid No. 1 Voltage ............................ -75 Volts
Peak Grid No. 1 Voltage ....................... 95 Volts
Grid No. 1 Current ............................ 3.5 Ma.
Plate Current (Zero Signal) ................... 80 Ma.
Grid No. 2 Current (Zero Signal) .............. 6 Ma.
Driving Power ................................. 0.3 Watts
Power Output (approx) ......................... 17 Watts

Class C Modulated Amplifier (CCS)
Plate Voltage ................................. 400 Volts
Grid No. 2 Voltage ............................ 250 Volts
Grid No. 2 Dropping Resistor .................. 25K Ohms
Grid No. 1 Voltage ............................ -75 Volts
Peak Grid No. 1 Voltage ....................... 95 Volts
Grid No. 1 Current ............................ 3.5 Ma.
Plate Current (Zero Signal) ................... 80 Ma.
Grid No. 2 Current (Zero Signal) .............. 6 Ma.
Driving Power ................................. 0.3 Watts
Power Output (approx) ......................... 22 Watts

Class C Modulated Amplifier (CCS)
Plate Voltage ................................. 475 Volts
Grid No. 2 Voltage ............................ 250 Volts
Grid No. 2 Dropping Resistor .................. 28K Ohms
Grid No. 1 Voltage ............................ -85 Volts
Peak Grid No. 1 Voltage ....................... 108 Volts
Grid No. 1 Current ............................ 4 Ma.
Plate Current (Zero Signal) ................... 83 Ma.
Grid No. 2 Current (Zero Signal) .............. 8 Ma.
Driving Power ................................. 0.4 Watts
Power Output (approx) ......................... 28 Watts

Class C Modulated Amplifier (Plate - ICAS)
Plate Voltage ................................. 600 Volts
Grid No. 2 Voltage ............................ 300 Volts
Grid No. 2 Dropping Resistor .................. 37.5K Ohms
Grid No. 1 Voltage ............................ -85 Volts
Peak Grid No. 1 Voltage ....................... 107 Volts
Grid No. 1 Current ............................ 4 Ma.
Plate Current (Zero Signal) ................... 100 Ma.
Grid No. 2 Current (Zero Signal) .............. 8 Ma.
Driving Power ................................. 0.4 Watts
Power Output (approx) ......................... 44 Watts

Push Pull Class AB2 Amplifier (CCS)
Plate Voltage ................................. 400 Volts
Grid No. 2 Voltage ............................ 300 Volts
Grid No. 1 Voltage ............................ -28 Volts
Peak Grid No. 1 Voltage ....................... 80 Volts
Plate Current (Zero Signal) ................... 72 Ma.
Plate Current (Maximum Signal) ................ 240 Ma.
Grid No. 2 Current (Zero Signal) .............. 2 Ma.
Grid No. 2 Current (Maximum Signal) ........... 20 Ma.
Driving Power ................................. 0.2 Watts
Load Resistance ............................... 3.7K Ohms
Power Output (approx) ......................... 55 Watts

Push Pull Class AB2 Amplifier (CCS)
Plate Voltage ................................. 500 Volts
Grid No. 2 Voltage ............................ 300 Volts
Grid No. 1 Voltage ............................ -30 Volts
Peak Grid No. 1 Voltage ....................... 86 Volts
Plate Current (Zero Signal) ................... 60 Ma.
Plate Current (Maximum Signal) ................ 240 Ma.
Grid No. 2 Current (Zero Signal) .............. 0.9 Ma.
Grid No. 2 Current (Maximum Signal) ........... 20 Ma.
Driving Power ................................. 0.2 Watts
Load Resistance ............................... 4.6K Ohms
Power Output (approx) ......................... 75 Watts

Push Pull Class AB2 Amplifier (CCS)
Plate Voltage ................................. 600 Volts
Grid No. 2 Voltage ............................ 300 Volts
Grid No. 1 Voltage ............................ -32 Volts
Peak Grid No. 1 Voltage ....................... 80 Volts
Plate Current (Zero Signal) ................... 48 Ma.
Plate Current (Maximum Signal) ................ 200 Ma.
Grid No. 2 Current (Zero Signal) .............. 0.7 Ma.
Grid No. 2 Current (Maximum Signal) ........... 18 Ma.
Driving Power ................................. 0.1 Watts
Load Resistance ............................... 6.9K Ohms
Power Output (approx) ......................... 80 Watts

Push Pull Class AB2 Amplifier (ICAS)
Plate Voltage ................................. 750 Volts
Grid No. 2 Voltage ............................ 300 Volts
Grid No. 1 Voltage ............................ -35 Volts
Peak Grid No. 1 Voltage ....................... 96 Volts
Plate Current (Zero Signal) ................... 30 Ma.
Plate Current (Maximum Signal) ................ 240 Ma.
Grid No. 2 Current (Zero Signal) .............. 0.55 Ma.
Grid No. 2 Current (Maximum Signal) ........... 10 Ma.
Driving Power ................................. 0.2 Watts
Load Resistance ............................... 6.95K Ohms
Power Output (approx) ......................... 120 Watts

Push Pull Class B Amplifier
Plate Voltage ................................. 750 Volts
Grid No. 1 Voltage ............................ 0 Volts
Peak Grid No. 1 Voltage ....................... 555 Volts
Plate Current (Zero Signal) ................... 15 Ma.
Plate Current (Maximum Signal) ................ 240 Ma.
Driving Power ................................. 5.3 Watts
Load Resistance ............................... 6.65K Ohms
Power Output (approx) ......................... 120 Watts

Class AB1 Amplifier
Plate Voltage ................................. 600 Volts
Grid No. 2 Voltage ............................ 300 Volts
Grid No. 1 Voltage ............................ -34 Volts
Peak Grid No. 1 Voltage ....................... 34 Volts
Plate Current (Zero Signal) ................... 18 Ma.
Plate Current (Maximum Signal) ................ 70 Ma.
Grid No. 2 Current (Zero Signal) .............. 0.3 Ma.
Grid No. 2 Current (Maximum Signal) ........... 8 Ma.
Driving Power ................................. 0 Watts
Power Output (approx) ......................... 28 Watts

Class AB1 Amplifier
Plate Voltage ................................. 750 Volts
Grid No. 2 Voltage ............................ 300 Volts
Grid No. 1 Voltage ............................ -35 Volts
Peak Grid No. 1 Voltage ....................... 35 Volts
Plate Current (Zero Signal) ................... 15 Ma.
Plate Current (Maximum Signal) ................ 70 Ma.
Grid No. 2 Current (Zero Signal) .............. 0.3 Ma.
Grid No. 2 Current (Maximum Signal) ........... 8 Ma.
Driving Power ................................. 0 Watts
Power Output (approx) ......................... 36 Watts