Output; Controls; Led Indicators; Protection - AE Techron LV 3620 Operator's Manual

Power supply amplifiers
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1.3.4 Output

Output connector: Dual binding posts.
Output impedance: < 10 mΩ in series with < 2µH
Maximum output voltage: 305 volts peak, no load condition.
Maximum output current: 7.25 amps peak .
Maximum output power: 630 W continuous (into 24 Ω).

1.3.5 Controls

Power: A front panel pushbutton used to turn the amplifier on and off.
Reset: Two back panel switches used to reset the power supplies. All units
have 8 amp circuit breakers.

1.3.6 LED Indicators

Power: LED indicators show the amplifier is enabled and capable of
operation.
Overload: The unit is operating with distorted output or overloaded input.
If the output waveform differs from that of the input by 0.05% or more, the
overload indicator flashes brightly to indicate distortion. As a sensitive
distortion indicator, it provides verification of operation.

1.3.7 Protection

The amplifier is protected from damage due to any of the following
conditions: input overload, thermal overload, or improper load impedance
(i.e., short circuit). The amplifier remains stable under short-circuit
conditions.
If unreasonable operating conditions occur, the patented ODEP circuitry
limits the drive level to protect the output transistor stages, particularly in
the case of elevated temperature. Transformer overheating will result in a
temporary shutdown. Controlled slew-rate voltage amplifiers protect the unit
against RF burnouts. Input overload protection is furnished at the amplifier
input to limit current.
Turn on causes no dangerous transients. Four second turn-on delay can be
changed by substituting a resistor (contact Techron's Technical Support
Group for details).
The ac input power (mains) is protected by circuit breakers.
Preinstallation
1–5
LV3620

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