Kenwood TAJFUN 1000, Instruction Manual

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VH Electronics Slovakia www.vhelectronics.sk
Acknowledgment
Thank you for purchasing Power linear amplifier TAJFUN 1000 432/144 from VH Electronics. During
its productiom, we used the latest knowledge in the field of VHF Power amplifiers and the most
advanced technology in the management, communication and display systems. We believe that our
product will exceed your expectations and will be working properly to your satisfaction.
Please take a
few moments to read this manual and get acquainted with this device.
I. GENERAL INFORMATION
I.1 Description
TAJFUN 1000 432/144 is a small, lightweight but robust LDMOS VHF Power Amplifier
(hereafter PA) working in amateur 432MHz and 144MHz band with output power up to 500W.
I.2 Technical parameters

Frequency Coverage 432 - 440 MHz Amateur band
142 - 146 MHz Amateur band

Operating Mode FM, SSB, CW, DIGI

Output Power 500W CW, 450W SSB (lineary)
300W FM and DIGI @ 21
°C 50% duty cycle

Low Pass Filter Only on 440 MHz

Input Power 12 - 16W (Inside 6dB hybrid attenuator )

LDMOS MRFE6VP5600H Freescale
PUSH PULL Configuration

Class Operating AB

Input / Output Impedance
50 Ω Connector 2 x N-female

Suppression of harmonics
≤75 dBc 432MHz (Low Pass Filter); ≤10 dBc 144MHz

Intermodulation distortion -32 dBc

Cooling 2 axial fans PA + 1 fan Power Supply

Coaxial Relay CX600NC
– CX140D

Communication ports USB, LAN

Power Supply Inside Input: 195 - 277VAC, 45 - 66Hz
Output: 53VDC / 1000W

Working temperature 0 -
45°C, Max. Humidity 90%

Dimension 266 x 105 x 294mm ( width x height x depth )

Weight 6,2kg