Acom International 1000 Manual del usuario - Página 16

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Exhibit 8

16 -17

e) Harmonic Output Suppression:

1.8-29.7MHz - better than 50dB below rated output,

50-54MHz - better than 66dB below rated output.

f) Input and Output Impedances:

- Nominal value: 50 Ohm unbalanced, UHF (SO239) type connectors;

- Input circuit: broadband, VSWR less than 1.3:1, 1.8-54MHz continuously (no tunings, no switching);

- Bypass path VSWR less than 1.1:1, 1.8-54MHz continuously;

- Output (antenna) impedance matching capability: VSWR up to 3:1 or higher.

g) RF Gain: 12.5dB typically, frequency response less than 1dB (50 to 60W drive power for rated output).

h) Primary Power: 170-264V (200, 210, 220, 230 & 240V nominal taps (100, 110 & 120V taps on request), +10% -15%

tol.), 50-60Hz, single phase, 2200VA consumption at rated output.

i) Complies with CE safety and electromagnetic compatibility requirements as well as FCC-regulations (10 & 12m bands

lock provided).

l) Size & Weight (operating): W422mm x D355mm x H182mm, 18kg.

m) Operating environments:

- Temperature range: 0...+50 degs. Celsius;

- Humidity: up to 75% @ +35 degs. Celsius.

- Height: up to 3000m above sea level without output deterioration.

7-2. Functions

a) Antenna Impedance Matching Process: plate-load True Resistance Indicator (TRI) aided.

b) T/R System: QSK operation with built-in, vacuum RF antenna relay (special quiet installation).

c) Protections:

- Cover interlock for operator's safety;

- Inrush power-on current control;

- High voltage, control grid, screen grid, and plate currents;

- Exhaust air temperature;

- T/R sequencing;

- Antenna relay contacts, including RF power induced in antenna from another nearby transmitter;

- Antenna matching quality;

- Reflected power;

- RF arcs, including in antenna system;

- Overdrive.

d) Signatures of the amplifier internal status are stored in a nonvolatile memory for the seven most recent auto

protection trips.

e) Dot matrix backlighted alphanumeric LCD with bargraph for forward peak power and text messages to the operator.

f) Measurement and constantly monitoring of 12 most important parameters of the amplifier via LCD.

g) Menu-selectable LCD Backlight and Contrast.

h) Tube: a single 4CX800A (GU74B) high-performance ceramic-metal tetrode of Svetlana with plate dissipation of

800W, grid driven, forced air-cooling.

7-3. Storage and Shipment

C A U T I O N

Should you need to transport the amplifier, use the original packing as described below.

First, switch off the amplifier. Pull the mains plug out of the outlet. Disconnect all cables from the rear panel of the

amplifier (remove the ground connection the last). Finally, pack the amplifier in its original carton.

a) Storage environments: the amplifier can be kept packed in dry and ventilated unheated premises without chemically

active substances (acids, alkalis etc.) in the following climatic environment:

- Temperature range: -40 to +70 degs. Celsius;

- Humidity: up to 75% @ +35 degs. Celsius.

b) Shipping Size and Weight:

W590mm x D430mm x H305mm, 20kg.

c) Shipping environments: all types of transportation, including aircraft baggage section up to 12000 meters above sea

level.