Quartzlock A5-24 Operation And Service Manual Download Page 2

Page: 2 / 10

Model A5-24 Operation And Service Manual

A5-24 Manual 20 March 2002

Page 2 of 10

Contents

Safety Considerations..........................................................................................................3

Voltage, Frequency and Power Characteristics ...................................................................4

Environmental Conditions ....................................................................................................4

Replaceable Fusing Characteristics.....................................................................................4

Cleaning Instructions ...........................................................................................................4

Distribution Amplifier A5-24 .................................................................................................5

Operating Procedure ........................................................................................................5

Output Amplifier ............................................................................................................6

Mother Board ................................................................................................................6

Performance Verification ..................................................................................................6

Equipment Required .....................................................................................................6

Procedures ...................................................................................................................7

Specification .....................................................................................................................9

Appendix............................................................................................................................10

Summary of Contents for A5-24

Page 1: ...l 20 March 2002 Page 1 of 10 MODEL A5 24 24 Way Distribution Amplifier USER S HANDBOOK Quartzlock UK Ltd Gothic Plymouth Road Totnes Devon TQ9 5LH England Tel 44 0 1803 862062 Fax 44 0 1803 867962 Web...

Page 2: ...3 Voltage Frequency and Power Characteristics 4 Environmental Conditions 4 Replaceable Fusing Characteristics 4 Cleaning Instructions 4 Distribution Amplifier A5 24 5 Operating Procedure 5 Output Ampl...

Page 3: ...transformer whose output is compatible with the input measurement capabilities of this product The product s front and rear panels are typically at earth ground Thus never try to measure AC power lin...

Page 4: ...t 10 C to 55 C 65 to 65 op Storage 40 C to 85 C Magnetic Field Sensitivity 2x10 11 Gauss Atmospheric Pressure 60m to 4000m 1x10 13 mbar Replaceable Fusing Characteristics 800mA time lag HBC Cleaning I...

Page 5: ...nput amplifier drives a twelve way passive power splitter This divides the signal with an insertion loss of about 12 dB and provides isolation of about 20 dB The output amplifiers each have an output...

Page 6: ...1 MHz A tuned version of the output amplifier is possible by replacing T2 by a tuned transformer T4 and by adding C21 This reduces harmonic distortion further and also reduces integrated wide band noi...

Page 7: ...o the spectrum analyser and or tracking generator cables to avoid common mode cross talk The output to output isolation is defined as the tracking generator level minus the level measured by the spect...

Page 8: ...ing Up The only user adjustment required is to set the output levels To do this proceed as follows 1 Remove the lid 2 Connect desired input between 0 and 13 dBm 3 Connect a spectrum analyser oscillosc...

Page 9: ...cs at nominal output 10 MHz Source harmonics less than 60dBc a Second harmonic 50dBc b Third harmonic 40dBc 7 Isolation a Output to output 90dB adjacent outputs at 10 MHz 70dB adjacent outputs at 100...

Page 10: ...Model A5 24 Operation And Service Manual A5 24 Manual 20 March 2002 Page 10 of 10 Appendix...