User's Manual

PINEAPPLE TECHNOLOGY, INC.

UTX3K ULTRA Operating and Service Manual

V -- THEORY OF OPERATION

(CONTINUED) Page 5 of 5

Each PA1K amplifier assembly includes the following:

1 each U250LD power pallets

2 each U500LDA power pallets

1 each Phase and gain matching circuit

1 each 2-Way in-phase splitter

1 each 2-Way in-phase combiner

1 each Circulator

1 each Power distribution module (1A0025)

2 each Thermal sensors

1 each Remote monitor port (DB9)

1 each Front panel status port (Molex)

1 each Filtered DC input port

1 each Type N Panel mounted RF Input port

1each DIN 7/16 Panel mounted RF Output port

SEE SECTION Vl.E. FOR SCHEMATICS AND PARTS LIS

J. UC3KW4NDC COMBINER/ DIRECTIONAL COUPLER

The UC3KW4NDC is a 4-Way in-phase combiner. The combiner is specifically designed

for the channel designated transmitter frequency. This is a closed unit and cannot be serviced.

SEE SECTION Vl.G. FOR PARTS LIS

K. BPU3K UHF BAND PASS FILTER

This Band Pass filter was designed to meet FCC Certification requirements with minimum loss of

RF Power. The BPU750N comes tuned and tested to the operating frequency of the transmitter

and should no be adjusted without proper equipment. Replacement filters are available as

P/N BPUKW UHF (+CHANNEL NUMBER).

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