BRUEL & KJAER 5935 Technical Documentation Manual Download Page 12 | Manualshive

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BRUEL & KJAER 5935 Technical Documentation Manual Download Page 12

2 –2

Dual Microphone Supply Type 5935

Brüel&Kjær

User Guide

Chapter 2 — Controls and Connections
Front Panel

2.1

Front Panel

The front panel of the Type 5935 is shown in Fig.2.1.

2.1.1

Warning Indicators

There are three type of warning indicator on the front panel of the Type 5935:

Fig.2.1 Front panel

Power On

:

indicating that power from either internal or external sources is
reaching the power supply section.

Batt. Low

:

indicating that the supply to the DC/DC converter, from either the
batteries or external supply, has fallen below 2.7V.

Overload

:

indicating that the signal level in the amplifier chain is reaching
clipping point.

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Summary of Contents for 5935

Page 1: ...t i o n T e c h n D o c u m e n t a t i o n T e c h n i c a l D o c u m T e c h n i c a l D o c u m e n t a t i o n T m e n t a t i o n T e c h n i c a l D h n i c a l D o c u m e n t a t t a t i o n...

Page 2: ......

Page 3: ...BE 1300 12 Dual Microphone Supply Type 5935 Br el Kj r User Guide November 1998 Dual Microphone Supply Type 5935 Valid from serial number 1628016...

Page 4: ...user to ensure safe operation and to retain the apparatus in safe condition Special note should be made of the following Safety Symbols The apparatus will be marked with this symbol when it is import...

Page 5: ...witches 11 Gain Adjustment 11 Signal Connectors 11 2 2 Rear Panel 12 Battery Cover 12 Power Input Sockets 12 Output Sockets 13 2 3 Bottom Panel 13 3 Operation 15 3 1 Applying Power 16 Power Sources 16...

Page 6: ...Dual Microphone Supply Type 5935 User Guide Br el Kj r 0 4 Contents...

Page 7: ...BE 1300 12 Dual Microphone Supply Type 5935 1 1 User Guide Chapter 1 Functional Description...

Page 8: ...Type 5395 is single polarity low voltage DC This source can take several forms Internal rechargeable batteries Internal non rechargeable batteries External 12V battery External AC DC converter 8 16V o...

Page 9: ...Switch Front Panel Input Socket LIN rear panel A weighting rear panel 0 50 dB 10 dB Steps Heater 24 V Polarization Voltage A LIN Switch Heater 24 V Polarization Voltage 0 50 dB 10 dB Steps Front Panel...

Page 10: ...to exactly balance the output of two microphone preamplifiers when precise level matching is needed An overload detector is fed from each channel to warn when the signal passing through the unit is ap...

Page 11: ...BE 1300 12 Dual Microphone Supply Type 5935 2 1 User Guide Chapter 2 Controls and Connections...

Page 12: ...ree type of warning indicator on the front panel of the Type 5935 Fig 2 1 Front panel Power On indicating that power from either internal or external sources is reaching the power supply section Batt...

Page 13: ...or the un weighted signal Lin from the amplifier AC coupled output to the front panel output socket The rear panel sockets remain unaffected Gain dB this knob selects the channel gain in steps of 10...

Page 14: ...Type 5935 is shown in Fig 2 2 2 2 1 Battery Cover The knurled knob at the top of the rear panel gives access to the battery compart ment which lies under the top panel 2 2 2 Power Input Sockets Note...

Page 15: ...ned and not be within speci fication Re alignment to specification can only be carried out by Br el Kj r repre sentatives External Supply this 7 pin DIN standard socket allows you to connect an extern...

Page 16: ...2 6 Dual Microphone Supply Type 5935 Br el Kj r User Guide Chapter 2 Controls and Connections Bottom Panel...

Page 17: ...BE 1300 12 Dual Microphone Supply Type 5935 3 1 User Guide Chapter 3 Operation...

Page 18: ...he LED does not light first check the battery orientation and then the fuse The 1A fuse is located on the bottom of the battery holder and can be accessed after remov ing the bottom cover 3 1 2 Fittin...

Page 19: ...for mobile installations Variable DC bench power supply In all cases the power is applied via the 7 pin DIN external supply connector on the rear panel Fig 3 2 shows the connections required Note ther...

Page 20: ...ation where the same 12 VDC battery is used to feed both the heater supply and the external supply 3 3 Polarization Voltage The Type 5935 provides the necessary polarization voltages necessary for all...

Page 21: ...DC offset the AC coupled outputs on the front panel are used The output capacitors re move any DC component from the signal It should always be remembered that there is an output swap switch for the...

Page 22: ...the set up procedure is to provide the maximum dynamic range with the minimum noise floor The actual settings of the stepped gain switch and the screwdriver sensitivity ad just depend heavily upon th...

Page 23: ...two channels 3 7 Overload The overload warning LED lights when the output of the Type 5935 exceeds 5V rms At this point non linear distortions begin If it is found that the overload light frequently...

Page 24: ...3 8 Dual Microphone Supply Type 5935 Br el Kj r User Guide Chapter 3 Operation Overload...

Page 25: ...BE 1300 12 Dual Microphone Supply Type 5935 4 1 User Guide Chapter 4 Specifications...

Page 26: ...requency Response Lin 0 5 Hz to 100 kHz 3 dB A Weighting Filters In accordance with IEC Type 0 Phase between Channels Lin 50 Hz 17 millidegrees 1 kHz 66 millidegrees 6 3 kHz 420 millidegrees Internal...

Page 27: ...1 5 V IEC LR20 D size rechargeable or non rechargeable Battery Life 70 hours alkaline batteries 25 hours NiCd rechargeable External Supply 8V to 16 V DC smoothed or un smoothed Supply Current 160 mA 1...

Page 28: ...4 4 Dual Microphone Supply Type 5935 Br el Kj r User Guide Chapter 4 Specifications Power Supply...

Page 29: ...BE 1300 12 Dual Microphone Supply Type 5935 5 1 User Guide Chapter 5 Service and Repair...

Page 30: ...lt occurs which impairs its correct function and operating safety then immediately disconnect it from the pow er source and remove it from the instrument set up to secure against unintended operation...

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