Filter
Top Products
Table of Contents
1705A Spectrum Monitor
iii
Ramp Generator 4--7.....................................................
Gain Control (SPAN/DIV) 4--7.............................................
Sweep Shapers 4--7......................................................
Bright--Up Generator 4--8.................................................
Z--Axis Control 4--9.....................................................
Deflection Amplifiers
Diagram 4 4--9..................................................
Buffers 4--9............................................................
Vertical Deflection Amplifier 4--10..........................................
Horizontal Deflection Amplifier 4--10........................................
Microprocessor
Diagram 5 4--11..................................................
Microprocessor 4--11......................................................
Readout 4--12...........................................................
Trace Rotate 4--12........................................................
Graticule Lights 4--12.....................................................
Front Panel
Diagram 6 4--12..................................................
Indicators, Controls, and Switches 4--12......................................
+18 Volt Supply 4--13.....................................................
Low Voltage Power Supply
Diagram 7 4--14..................................................
Line Rectifier and Filter 4--15..............................................
Pulse Width Modulator 4--15...............................................
Output Filters 4--16.......................................................
Error Amplifier 4--16.....................................................
Feedback Transformer Drive r and Peak Det ector 4--16...........................
Output Under-Voltage Shutdown 4--16........................................
High Voltage Power Supply
Diagram 8 4--17..................................................
HV Osc and Error Amp 4--17...............................................
Power Supply Outputs 4--18................................................
Focus Amplifier 4--18.....................................................
Grid Drive Circuit 4-- 18...................................................
Z-Axis Amplifier 4-- 18....................................................
Checks and Adjustments
Section 5 Checks And Adjustments 5--1.....................................
Recommended Equipment List 5--1.............................................
Electrical Instruments 5--1................................................
Auxiliary Equipment 5-- 2.................................................
Performance Check 5--3......................................................
Short-Form Procedure 5--3................................................
Long Form Procedure 5--5................................................
Adjustment Procedure 5--17....................................................