Alpha 9500 User Manual download pdf (Page 18)

Alpha 9500 Linear Amplifier User Manual RF Concepts, LLC

Amplifier Components and Specifications Product Release 1

DOCNUMBER 9500

Document Issue 1.1

Page 2–6 February 2010

to override autotaps election and use any primary tap; it may be useful to

do so if your line voltage is unsteady or on the edge of a tap setting. For

more information, contact RF Concepts technical support.

Figure 2-4 Primary connections

2.9 Power Supply

The power supply has two major sections: a switch-mode supply for the

logic circuitry and a conventional transformer supply for all other

voltages.

When the amplifier is plugged into the AC line, the switch-mode supply

is always on and all the microprocessors are active. It is usual for some of

the front panel LEDs to blink momentarily when the unit is first plugged

in.

The remaining voltages are produced by the mains and HV boards,

described below.

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Alpha 9500 User Manual Page 18