Alpha Delta DELTA - 4B Series Manual de inicio rápido

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DELTA - 4

LIGHTNING SURGE PROTECTED

4 POSITION RF COAX SWITCH

WITH FIELD-REPLACEABLE SURGE PROTECTOR PILL

THE MODEL DELTA-4 SWITCH IS A PRECISION RF SWITCHING

DEVICE EMPLOYING THE LATEST HIGH TECHNOLOGY DESIGNS

NOTE: SAME DATA APPLIES FOR DELTA-2

TWO POSITION SWITCH

POWER RATING- 1500 WATTS RF

SWITCH POSTIONS

LIGHTING SURGE PROTECTION

SPECIAL SWITCHING FUNCTIONS

GROUNDING REQUIREMENTS

ELECTRICAL SPECIFICATIONS

PRICES & SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE

These devices are not intended to protect equipment, personnel or structures from the effects of a direct lightning strike as these events are un-

predictable in strength and vary widely in severity, possibly well above our surge handling speciﬁcations. However, these devices are designed to

provide effective equipment protection from antenna induced atmospheric surge voltages resulting from electrical static voltage discharges and

nearby lightning induced voltage discharges, within the ratings of these devices.

SERIES

--SPECIFICATIONS--

IMPEDANCE- 50 OHMS

Four, two either side of the "common" center, connector.

Alpha Delta Model D-4 internally mounted, ﬁeld-replaceable ceramic

gas tube Arc-Plug Cartridge Pill.

When the knob points to the center (ground) switch position, all

antenna circuits are internally disconnected and grounded. When the

knob is in an active position, the unused antenna ports are grounded.

The active position circuit is continuously protected by the Model D-4

Arc-Plug Cartridge Pill.

A separate, external ground wire must be used from one set of user

supplied mounting hardware (through either thru-hole on the base

plate) to the station ground system. (Not the equipment chassis.) The

Arc-Plug Cartridge Pill will not operate without a good ground. Note:

Paint should be removed at point of ground hardware connection to

base plate. It is also good practice to ground the coax shield at point of

entry to the building.

Nominal (S0-239 CONNECTORS)

30 MHz

150 MHz

450 MHz

Model DELTA-4/N is rated through 1.3 GHz

CONNECTORS- TYPE SO-239: DELTA-4

VSWR

dB Loss

<1.1:1

.1dB

<1.3:1

.15dB

<1.4:1

.5dB

TYPE N: DELTA-4N

dB Isolation

>60dB

>50dB

50dB