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TMA2Q & LPC2Q Instruction Manual

Table of Contents

Section

Page

General ...........................................................................................................1

II.

Installation ......................................................................................................3

III.

Operation and Use.........................................................................................10

IV.

Circuit Description .........................................................................................12

Maintenance .................................................................................................16

Appendix A Tower Mounted Amplifier Assembly..............................................................19

Document Information ..................................................................................20

Contact information:

Website:

http://www.reeve.com/Solar/e-CALLISTO/e-callistoTMA2Q.htm

Email:

[email protected]

Please report errors and provide suggestions

Содержание LPC2Q

Страница 2: ...II Operation and Use 10 IV Circuit Description 12 V Maintenance 16 Appendix A Tower Mounted Amplifier Assembly 19 Document Information 20 Contact information Website http www reeve com Solar e CALLIST...

Страница 3: ...dc dc dc Tower Mounted Amplifier Assembly CALLISTO No 1 RF In Observatory Power Supply LNA Power Coupler Assembly 8 0 Vdc Antenna A CCW Coaxial Cable TMA2Q LPC2Q CALLISTO No 2 LNA In LNA Out In Antenn...

Страница 4: ...bility of the TMA2Q and the associated receivers must be taken into account The gain and noise of the TMA2Q and receivers vary slightly with ambient temperature Refer to the specifications and datashe...

Страница 5: ...N N F 210 mm SMA F RA 210 mm Top Bottom N F N F SMA M RA SMA M 150 mm SMA M RA SMA M 150 mm VOut VOut VIn VIn 150 mm 150 mm 75 mm 75 mm Earth Top Rear View CW Coaxial Cable Red Coaxial Cable Green To...

Страница 6: ...ghtning already is striking nearby do not touch any part of the system including the PC that is used to collect data from the system Detailed transmission design and pre installation tests are beyond...

Страница 7: ...n losses The cables from the LPC2Q to the receivers can be 6 mm diameter if less than a few meters long In addition to the major components in the TMA2Q LPC2Q there are other components or conditions...

Страница 8: ...Q RF IN 2 two circuit connections between the TMA2Q RF OUT and LPC2Q RF IN and 3 two circuit connections between the LPC2Q RF OUT and two receivers RF IN C TMA2Q Tower Mounted Amplifier Installation C...

Страница 9: ...nectors and the corresponding coaxial cables must have male Type N connectors Type N connectors should be made up finger tight never use a wrench or pliers on the type N connectors The TMA2Q is equipp...

Страница 10: ...d be taken to minimize transmission losses As with the TMA2Q all RF connections on the LPC2Q are female type N and the corresponding cables require male type N connectors figure 6 Connectors should be...

Страница 11: ...d N S nomenclature silkscreened on the panels applies only to the LWAPC and can be ignored E Post Installation Tests It is recommended that a set of transmission and noise measurements be made immedia...

Страница 12: ...t circuits and do not indicate that power is being supplied to the TMA2Q See above C Callisto Setup There are two areas of the Callisto setup that need to be tailored for use with the tower mounted am...

Страница 13: ...50 0 height 0 0 clocksource 1 filetime 900 frqfile frq50500 cfg user prepared frequency file focuscode 59 mmode 3 fitsenable 1 datapath c Callisto Data logpath c Callisto Log lcpath c Callisto Lc ovs...

Страница 14: ...ts ZFBT 282 1 5A bias tee power coupler modules The low noise amplifier module provides a nominal 20 dB gain and has a nominal 1 0 dB noise figure However implementation losses and the quadrature coup...

Страница 15: ...Arrestor LNA ZX60 33LN S IN OUT ZX60 33LN S Vin OUT IN Front Insde View 300R OUT IN SP 1 PCB Fixed Voltage Regulator 3 3 Vdc Vin Vout G O I IC1 J1 C1 10 F 16 V C3 33 F 10 V C4 100 nF 50 V G I O G LM11...

Страница 16: ...50 500 quadrature coupler The quadrature coupler is a symmetrical 4 port device that provides 90 phase shift on two of the ports The coupler introduces 3 5 to 4 5 dB of splitting loss in each transmis...

Страница 17: ...RF dc RF dc E W CW Input 90 90 0 0 Isolated 90 Output 0 Output RF E W LHP RF RF RF dc dc Bias Tee C 1 2 Power E W N S LPC2Q Power Coupler Assy 10u 50V 10n 50V ZFBT 282 1 5A ZFBT 282 1 5A DQK 50 500S 8...

Страница 18: ...in the range 11 15 Vdc If a wideband noise source is available check the noise performance A noise source with about 5 dB excess noise ratio ENR is required When making transmission measurements all u...

Страница 19: ...and into position in the enclosure so the four mounting holes line up with the embedded fasteners in the enclosure d Replace the four screws one in corner of the chassis tighten to 4 6 in lb 0 45 0 6...

Страница 20: ...b any cables or wiring 4 Re Install chassis in LPC2Q Assembly Re installation of the chassis is a reverse of the removal procedures a Carefully slide the chassis into the enclosure The bias tees shoul...

Страница 21: ...THE CONNECTING CABLES AND DO NOT TWIST SHARPLY BEND OR KINK THE CABLES 6 LOCATE THE LNA MODULE WITH THE CW CIRCUIT TAG AND CAREFULLY CONNECT IT TO THE RF ADAPTER ON THE CW LIGHTNING ARRESTOR HOLD THE...

Страница 22: ...ham D Reeve Anchorage Alaska USA Copyright 2016 W D Reeve Revision history Iss 0 0 Initial draft started 20 May 2016 Iss 0 1 minor revisions 27 May 2016 Iss 0 2 additional revisions 01 Jul 2016 Iss 0...

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