Alpha Delta DELTA - 4B Series Quick Start Manual

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Alpha Delta DELTA - 4B Series Quick start manual - Page 1
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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.
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
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.
SWITCH POSTIONS
LIGHTING SURGE PROTECTION
SPECIAL SWITCHING FUNCTIONS
GROUNDING REQUIREMENTS
NOTE: SAME DATA APPLIES FOR DELTA-2
TWO POSITION SWITCH
--SPECIFICATIONS--
POWER RATING- 1500 WATTS RF IMPEDANCE- 50 OHMS CONNECTORS- TYPE SO-239: DELTA-4
TYPE N: DELTA-4N
Nominal (S0-239 CONNECTORS)
VSWR dB Loss dB Isolation
30 MHz <1.1:1 .1dB >60dB
150 MHz <1.3:1 .15dB >50dB
450 MHz <1.4:1 .5dB 50dB
ELECTRICAL SPECIFICATIONS
Model DELTA-4/N is rated through 1.3 GHz
PRICES & SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
B SERIES
B