What Was The Final Amplifier Used On The Ft 101

Camila Farah

If the screen grid voltage were higher the ft 101 would be able to produce 80 to 90 watts on 80 meters. Ft 101 birth tale 2. To fill this need there was an ft 101s ft 101bs and ft 101es.

He explained that the rig had been running perfectly but he thought he would treat it to a new set of valves.

The fl 2100b f z is a conservatively rated matching amplifier for the ft 101 series. From the specifications i can read it appears as though the ft 101s bs es models ran cw power of 20w a1 and ssb phone of 20w a3j with only 300 volts to the final amplifier stage as per jarl specifications. Ft 101 is a set that combines a solid state transmitter receiver and a tube final amplifier. Full shematics and drawings the ft 101 maintenance guide by cq publishing company japan is the bible on the ft 101.

Yaesu ft 101 is a model line of modular amateur radio transceivers built by the yaesu corporation in japan during the 1970s and 1980s. Other manufacturers tube properties are slightly different from the original 6js6c tubes. The ft 101 transceivers were originally equipped with 6js6c tubes manufactured by nec and toshiba. Its solid state features offer high performance low current character yaesu ft 101 is a model line of modular amateur radio transceivers built by the yaesu corporation in japan during the 1970s and 1980s.

Beware of changing the 6js6c power amplifier valves in the venerable old ft 101 clarence came in with a long face and an ft101. Ft 101 is a set that combines a solid state transmitter receiver and a tube final amplifier its solid state features offer high performance low current characteristics and its tube amplifier provides an almost mismatch resistant transmitter and tuner stage. The amplifier features two rugged 572b carbon plate tubes in a class b grounded grid circuit with individually tuned input coils for each band. The fl 2100b f z operates with dual cooling fans and a solid state power supply.

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The amplifier features two rugged 572b carbon plate tubes in a class b grounded grid circuit with individually tuned input coils for each band. The fl 2100b f z is a conservatively rated matching amplifier for the ft 101 series. Therefore a simple modification to the neutralization circuit must be made to the final section of the transceiver. But unfortunately it doesn t.

These rigs were sold with only one 6js6c final amplifier tube with a normal rated power of 10 watts and 50 pep. The fl 2100b f z operates with dual cooling fans and a solid state power supply. This book puts the entire ft 101 series of radios by yaesu musen manufactured bewteen 1970 to the last shipment in april 1979 in. These rigs were sold with only one 6js6c final amplifier tube with a normal rated power of 10 watts and 50 pep.

The screen grid tap on the power transformer also supplies final amplifier bias. Ft 101 data bank 5. To fill this need there was an ft 101s ft 101bs and ft 101es. Other models of the ft 101 were sold in japan for the limited power requirements of the japanese licensee.

He found the 6js6c power ampli fier valves a little too.