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Introduction
The HL-350VDX is a 144MHz Band Linear Power Amplifier with the maximum
output power of 300W (nominal, 330W max.), designed with Tokyo Hy-Power's
accumulated VHF technologies. This is a completely solid-state amplifier
capable of handling all transmission modes. There are built in such new
functions as an automatic VSWR meter, a new type DC-operated line-flow fan
and a GaAs FET RX Pre-amp with a selectable RX gain.
Main Features
1. Easy to Operate/ Functional Design:
By combining a small heat-sink with a powerful DC-operated line-flow fan,
the HL-350VDX is made light in weight.
It has a fashionable design by putting the heat-sink inside the cabinet.
2. Adoption of Multi-Protections:
It incorporates five kinds of protection circuits developed by our own
advanced technologies. This sophisticated protection gives you a
warning(shut-down) before getting into any trouble.
3. Multi-Metering Method:
The switch selected analog multi-meter on the front panel reads RF OUT (TX
output power), AUTO SWR (standing wave ratio, automatically measured), or
VCC (power supply line voltage), enabling the operation to be comfortably
done at all times.
The high-performance power meter is of a directional coupler type, giving
quite accurate readings.
4. Low-Noise RX Pre-Amp:
It incorporates a low-noise RX pre-amp utilizing a performance-proven GaAs
FET.
The gain of the pre-amp can be selected depending on the receiving
condition. More cozy VHF communication can be enjoyed with the
HL-350VDX.
5. Auxiliary Remote Controlling Function:
A jack for the connection with a remote controller (optional HRC-60) is
provided on the rear panel.
Remote controlling of the power supply, the RX pre-amp and so forth can be
controlled in the remote location.
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