TUBE 1613

GENERAL DESCRIPTION


photo 1613 The 1613 is a transmitting pentode of the metal type having a maximum plate dissipation of 10 watts. The tube is specially tested for transmitter service to insure long, reliable operation.

The 1613 is designed with a heater cathode having a rating of 6.3 volts and 0.7 ampere. Operation of the tube with maximum ratings is practical at frequencies as high as 45 Mc. - at reduced ratings as high as 90 Mc.

Typical CCS operating conditions for class C telegraph service are: D-c plate voltage, 350 volts; d-c screen voltage, 200 volts; grid bias, -35 volts; d-c plate current, 50 ma.; d-c screen current, 10 ma.; d-c grid current, approximate, 3.5 ma.; driving power, approximate, 0.22 watt; and power output, approximate, 9 watts.		 picture 1613


TECHNICAL SPECIFICATIONS
ELECTRICAL
Heater
 Voltage
 Current		 Coated Unipotential Cathode
6.3 a-c or d-c volts
0.7 amp.
Transconductance for plate current of 31 ma. 2500 μmhos
Direct Interelectrode Capacitances
 Grid to Plate
 Input
 Output
0.26 μμf
6.5 μμf
13.5 μμf
MECHANICAL
Maximum Overall Length 3-¼"
Maximum Seated Height 2-11/16"
Maximum Diameter 1-5/16"
Bulb Metal Shell, MT-8
Base Small Wafer Octal 7-Pin
Mounting position Any
Specifications may change without notice

THIS TUBE IS USED IN THE FOLLOWING SHORTWAVE BROADCAST TRANSMITTERS
Manufacturer Transmitter specifications Power in kW
RCA ET-7285 7.5 / 10


THIS TUBE IS AVAILABLE FROM
Manufacturer Rebuilder Distributor


Vacuum Tubes, Inc.


PRICE LEVEL (US$)
1 2 3 4 5 6
0 - 10 10 - 100 100 - 1000 1000 - 10,000 10,000 - 50,000 50,000 - 100,000