TTI TF930 Service Manual Download | Manualshive

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TF930 & TF960

3GHz & 6GHz Universal Counters

SERVICE GUIDE

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Summary of Contents for TF930

Page 1: ...TF930 TF960 3GHz 6GHz Universal Counters SERVICE GUIDE...

Page 2: ...1 Table of Contents Specifications 2 Safety 5 General 6 Frequency Calibration 7 C Input Threshold Adjustment 8 Diagnostic Notes 9 Battery replacement 11 Parts List 12...

Page 3: ...MHz at optimum threshold adjustment Input B Input Impedance 50 nominal AC coupled Frequency Range 80MHz to 3GHz Sensitivity 12mVrms 80MHz to 2GHz 25mVrms to 2 5GHz 50mVrms to 3GHz Maximum Input Signal...

Page 4: ...aging Automatic within measurement time selected up to 50 pulses Resolution 20ns for one pulse up to 1ns or 10 digits with multiple pulse averaging 0 01 for Ratio H L and Duty Cycle Total Count Input...

Page 5: ...asurements read through a USB port The instrument can be powered but the battery cannot be charged by the USB host Interface Serial port emulation over USB Current consumption 100mA 5mA if AC adaptor...

Page 6: ...safety under all other circumstances it is essential that no input is connected to a voltage above 30Vdc or 30Vrms with respect to earth ground which is the limit of Safe Extra Low Voltage SELV by IE...

Page 7: ...Before removing the rear panel or the Battery USB PCB note the position of the grounding spring attached to the USB socket The PCB is attached to the case lower with 4 screws To avoid short circuiting...

Page 8: ...andard source subject to any pre calibration inaccuracy If the reference signal is large it may be necessary to select the 5 1 attenuator The calibration setting is adjusted by pressing the Frequency...

Page 9: ...nerator with reasonably accurate calibrated level around 5 to 15mV A microwave grade N type to N type coaxial lead Do not use a BNC type with adapters Procedure To adjust the setting first dismantle t...

Page 10: ...resort protection against fire and any failure indicates that another major fault has occurred Note in particular that this component MUST NOT be hand soldered as that will almost certainly cause an...

Page 11: ...unless the port has been properly enumerated by the host PC If the PC can detect the USB device but functional control of the counter is not possible then provided the baud rate etc are correctly con...

Page 12: ...ctly oriented they all point in the same direction and that the tags are aligned with the correct connecting pads Secure the cells to the PCB with tie wraps only sufficiently tight to hold the cells d...

Page 13: ...210 BEZEL BENCH CASE 2 33536 4380 CASE UPPER BENCH CASE 2 33536 4390 CASE LOWER BENCH CASE 2 33331 9790 REAR PANEL 37113 2183 KEYCAP 8X6MM GREY3 TF 37151 0483 KNOB 21MM D SHAFT GREY3 38611 0010 COLLAR...

Page 14: ...idgeshire PE29 7DR England United Kingdom Telephone 44 0 1480 412451 Fax 44 0 1480 450409 International web site www aimtti com UK web site www aimtti co uk Email info aimtti com Aim Instruments and T...

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