|The 6146B / QE05/40 is a small, lightweight beam-power pentode designed for service as a very high frequency amplifier. It has a short sturdy structure and is ideal for mobile and compact stationary equipment. Due to its superior design, the 6146B / QE05/40 has high power sensitivity, high perveance, and low driving power requirements.
The heater-cathode structure of the 6146B / QE05/40 is designed to supply ample tube current with heater voltages from 6.0 to 7.5 volts; however the tube will perform satisfactory with heater voltages ranging from 5 to 8 volts. Satisfactory operation throughout a wide range of supply voltages makes possible reliable performance under the conditions normally encountered in mobile service.
Adequate shielding and effective RF grounding are facilitated by the cathode, grid 3, and internal shield all of which are connected to 3 base pins. Isolation of output from input is further enhanced by a top-cap plate connection.
|Minimum Preheat Period||6 minutes|
Grid 1 to Plate
Grid 1 to All Except Plate
Plate to All Except Grid 1
0.22 Max. pf
|Base||E.I.A. Group 1, B8-150 or B8-159|
|Maximum Overall Dimensions
|Cooling||Radiation and Convection|
|Maximum Bulb Temperature||260° C|
|Net Weight||2.3 ounces|
|Specifications may change without notice|
|THIS TUBE IS USED IN THE FOLLOWING SHORTWAVE BROADCAST TRANSMITTERS|
|Manufacturer||Transmitter specifications||Power in kW|
|Continental Electronics||417 B||50|
|HF-20 / HF-20 B||20|
|THIS TUBE IS AVAILABLE FROM|
|Penta Laboratories||Richardson Electronics|
|Vacuum Tubes, Inc.|
|PRICE LEVEL (US$)|
|0 - 10||10 - 100||100 - 1000||1000 - 10,000||10,000 - 50,000||50,000 - 100,000|