Andrew MCPA1900 Operation Instruction Manual Download | Manualshive

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RF Power Amplifiers

Andrew Corporation – Power Amplifier Group

Propriety – Use pursuant to Company Instruction

1 of 8

Multiple Carrier Power Amplifiers

Model: MCPA1900 & MCPA850

Operation Instruction

Date: July 25, 2005

Version. 1.0

Ref# RE: FCC ID S8L-100254MCPA &

RE: FCC ID S8L-100270MCPA

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Summary of Contents for MCPA1900

Page 1: ...Power Amplifier Group Propriety Use pursuant to Company Instruction 1 of 8 Multiple Carrier Power Amplifiers Model MCPA1900 MCPA850 Operation Instruction Date July 25 2005 Version 1 0 Ref RE FCC ID S...

Page 2: ...ions The MCPA1900 135 and MCPA850 135 provide linear amplification of multi carrier mixed mode signals in the cellular and PCS frequency bands respectively The 850 Band and 1900 Band MCPA have the fol...

Page 3: ...and phase control Feed Forward amplifier circuit Main amplifier stage Pre distortion circuit FICA Filter Isolator Combiner Assembly Power conversion circuit Controller circuit Communications circuit I...

Page 4: ...al compensation of the amplifier and to maintain a linearization solution for the pre distortion circuit and the feed forward circuit Figure 1 MSA1900 135 MCPA Front Panel Figure 2 MSA1900 135 Rear Pa...

Page 5: ...s within the PA Module The alarms are mapped to front panel LED behavior as indicated Additionally the alarms are mapped to the discrete line relays and available at the D Sub connector at the rear of...

Page 6: ...n Shut down Y Low input voltage 26V Major On Gain reduced Auto recover Y Bias fault factory only see note 10 Critical On Shut down Self test fail see note 11 Critical On Shut down Configuration fault...

Page 7: ...narios Note 9 A VSWR critical alarm is declared when the reflected power is 80W or more and indicates that the unit may be damaged if not shut down Since the amplifier cannot detect that this conditio...

Page 8: ...ributed to the amplifiers via the sub rack wiring from a front RF connector FCC Statements FCC ID S8L 100270MCPA RE FCC ID S8L 100254MCPA This devise complies with Part 2 15 24 of the FCC Rules Operat...

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