Tube-number record

TRAVELING WAVE TUBE

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BrandEimac

ClassMicrowave Tube

BaseCoaxial

Filament6.3 V @ 0.6 mA

Construction

Primary TypeOther / special

EnvelopeCeramic and Metal

SectionsSingle

Filament / Heater

Heater NotesMinimum heating time: 60 seconds

Absolute Maximum Ratings

Plate Voltage3000 V

Grid 1 Voltage-40 V

Cathode Current25 mA

Audio Performance

Key Features

Periodic Permanent Magnet (PPM) focusing
Ceramic and metal construction
Integral heat sink/mounting flange
Passive cooling

Typical Operation

Mode	Plate V	Gm (µmhos)	Rp (Ω)	µ	Plate mA
Saturated Power Output	2900 V	—	—	—	23 mA

Application Notes

Wide bandwidth, high power output and high gain make the EM-1025 ideally suited for signal generators, power amplifier units or frequency-multiplier applications.

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