FIELD: radio engineering.
SUBSTANCE: proposed radio transmitter surge-voltage protective device that can be used in radio transmitters and amplifiers supplied with power from distant sources has electromagnetic relay. Relay coil is connected in parallel with transmitter output and its backup contacts are connected in series with transmitter and inserted between arrester and relay coil.
EFFECT: enhanced efficiency of protection.
1 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
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|
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SU1119119A1 |
| APPARATUS FOR PROTECTING D.C. TRACTION SUBSTATION CONVERTER FROM OVERVOLTAGE | 0 |
|
SU1570939A1 |
