Ametek 7270 - Page 4

TABLE OF CONTENTS
ii
3.3.13 Internal Oscillator - Voltage Control .....................................................................................................3-10
3.3.14 Demodulators - Dual Phase Multipliers .................................................................................................3-10
3.3.15 Demodulators - Output Filters................................................................................................................3-10
3.3.16 Fast Curve Buffer ...................................................................................................................................3-11
3.3.17 Main Output Processor - General ...........................................................................................................3-11
3.3.18 Main Output Processor - Output Offset and Expand .............................................................................3-12
3.3.19 Main Output Processor - Vector Magnitude and Phase .........................................................................3-12
3.3.20 Main Output Processor - Noise Measurements ......................................................................................3-13
3.3.21 Main Output Processor - Standard Curve Buffer ...................................................................................3-14
3.3.22 Analog Outputs (DACs) .........................................................................................................................3-14
3.3.23 Auxiliary Analog Inputs (ADCs) ...........................................................................................................3-15
3.3.24 Main Microprocessor - General .............................................................................................................3-15
3.3.25 Main Microprocessor - Spectral Display ...............................................................................................3-15
3.3.26 Main Microprocessor - Auto Functions .................................................................................................3-15
3.3.27 Main Microprocessor - User Settings ....................................................................................................3-17
3.4 General ............................................................................................................................................................3-17
3.4.01 Accuracy .................................................................................................................................................3-17
3.4.02 Power-up Defaults ..................................................................................................................................3-17
Chapter Four, Front and Rear Panels
4.1 Front Panel ........................................................................................................................................................4-1
4.1.01 A and B (I) Signal Input Connectors ........................................................................................................4-1
4.1.02 REF IN Connector ....................................................................................................................................4-1
4.1.03 OSC OUT Connector ...............................................................................................................................4-1
4.1.04 LCD Screen ..............................................................................................................................................4-2
4.1.05 HELP Key ................................................................................................................................................4-5
4.1.06 MENU Key ..............................................................................................................................................4-5
4.1.07 SELECT CONTROL Key ........................................................................................................................4-5
4.2 Rear Panel .........................................................................................................................................................4-6
4.2.01 Line Power Switch ...................................................................................................................................4-6
4.2.02 Line Power Input Assembly .....................................................................................................................4-6
4.2.03 DIGITAL I/O Connector ..........................................................................................................................4-6
4.2.04 USB Connector ........................................................................................................................................4-6
4.2.05 LAN Connector ........................................................................................................................................4-7
4.2.06 RS232 Connector .....................................................................................................................................4-7
4.2.07 AUX RS232 Connector ............................................................................................................................4-7
4.2.08 PRE-AMP POWER Connector ................................................................................................................4-7
4.2.09 ADC TRIG IN Connector ........................................................................................................................4-7
4.2.10 ADC 1, ADC 2, ADC 3 and ADC 4 Connectors .....................................................................................4-7
4.2.11 REF MON Connector ...............................................................................................................................4-7
4.2.12 TTL REF IN Connector ...........................................................................................................................4-7
4.2.13 TRIG IN Connector ..................................................................................................................................4-8
4.2.14 TRIG OUT Connector ..............................................................................................................................4-8
4.2.15 DAC 1, DAC 2, DAC 3, and DAC 4 Connectors ....................................................................................4-8
4.2.16 SIG MON Connector................................................................................................................................5-8
Chapter Five, Front Panel Operation
5.1 Introduction .......................................................................................................................................................5-1