A New Approach to Series Heater Strings for Television
- Resource Type
- Periodical
- Authors
- Roberts, Frank
- Source
- Transactions of the IRE Professional Group on Broadcast and Television Receivers Trans. IRE Prof. Group Broadcast Telev. Receiv. Broadcast and Television Receivers, Transactions of the IRE Professional Group on. PGBTR-7(1):39-46 Jul, 1954
- Subject
- Communication, Networking and Broadcast Technologies
Components, Circuits, Devices and Systems
Signal Processing and Analysis
Surges
Voltage
Heating
Costs
Steady-state
Audio systems
Manufacturing industries
Standardization
TV receivers
Current distribution
- Language
- ISSN
- 2168-1619
2168-1627
The presence of voltage surges in series heater strings represents a major source of tube failures. Tubes supplied by various tube manufacturers behave differently in the heater string. A method of tube evaluation outside the heater string enables prediction of surge conditions in the string. Surge-free operation can be readily obtained by tube selection. This selection does not provide for trouble-free operation in the event of field tube replacement. It is necessary to establish industry standardization of heater characteristics to eliminate all trouble.