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IFR FM/AM -1600CSA Communications Service Monitor
FM/AM -1600CSA


The FM/AM-1600S is a microprocessor controlled, digitally synthesized communication service monitor which combines the operations of many different test instruments into a single, compact unit. Functions the FM/AM-1600S is capable of performing include: RF Generator Duplex Spectrum Analyzer DMM Distortion Meter Audio Frequency Meter RF Power Meter Signal Strength Meter Phase Meter Tracking Generator Digital Radio Paging Encode and Decode Receiver AF Generator Oscilloscope Deviation (Peak) Meter SINAD Meter Frequency Error Meter Modulation Meter Bit Error Rate Meter Deviation (RMS) Meter Cable Fault Detector Analog Radio Paging Encode and Decode The FM/AM-1600S utilizes an alphanumeric keypad, dedicated function keys, multitask Soft Function Keys and a high-resolution color CRT to display, enter and edit functions and data. Testing with this instrument can be done remotely or manually. The FM/AM-1600S can perform tests from pre-programmed setups or formats determined at the time of the test. Microprocessor controlled memory allows storage and recall of parameters for each of the testing modes as well as storage and recall of Oscilloscope and Spectrum Analyzer traces for signal comparison. The FM/AM-1600S is capable of generating modulated or unmodulated carrier signals from 250 kHz to 999.9999 MHz (in 100 Hz steps). The output level is variable from -137 dBm to 0 dBm. Modulation types include AM, FM and PM. Modulation can also be applied from an external source. The RF Generator also functions as a tracking generator for swept measurements or as an offset generator in Duplex Mode. Metering functions available for this operation mode include SINAD, DMM, Distortion and Audio Frequency Level meters. The Oscilloscope and Spectrum Analyzer are also available for use on the RF Generator Operation Screen. 1-3 Receiver The FM/AM-1600S is capable of receiving modulated and unmodulated signals from 250 kHz to 999.9999 MHz (in 100 Hz steps). The FM/AM-1600S receives AM, FM, PM, and SSB modulated signals. Metering functions in the FM/AM-1600S available with the Receiver include RF Power, Modulation, Deviation, Distortion, Frequency Error, AF Frequency, Signal Strength and SINAD meters and counters. The Oscilloscope and Spectrum Analyzer are also available for use on the Receiver Operation Screen. The FM/AM-1600S Receiver is capable of executing user defined frequency scan operations as well as single frequency operations. The Receiver accesses "off the air" signals through the Antenna IN Connector or higher powered signals are accessed through the T/R Connector.

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User Manual
Manual type:
User Manual
23.39 Mbytes (24521608 Bytes)
Scanned document, all readable.
Upload date:
25 May 2015


TMAC USERS MANUAL TMAC (Test Macro Language) was developed by IFR Systems Inc. to operate IFR test equipment in a remote configuration and allow internal versatile software to be created. TMAC is written so not just single measurements but entire batteries of tests may be performed. Combining this capability with the test functions available with the FM/AM-1600S and FM/AM-1600CSA gives the user a great deal of flexibility in testing communication devices in an ATE environment. Additionally this language also provides a format to store and perform user defined test sequences. TMAC is based on the IEEE-488.2 format and conforms to the SCPI Standard. Some commands and operators, created before and not conforming to the SCPI Standard, are so noted. TMAC is written on several layers of complexity. The first layer consists of the Machine Specific TMAC Commands. These commands are what actually set up and control the Test Set and take the measurements. The Specific TMAC commands for the FM/AM-1 600S and FM/AM-1600CSA encompass the complete operation of the Test Set. Every function of the FM/AM-1600S and FM/AM-1600CSA can be performed remotely with the exception of power up of the Test Set and CRT intensity control. The second level of TMAC is the framework that is used to combine the machine specific commands into a coherent and fluid process. Decision making commands allow different procedures to be performed under differing circumstances. These decisions may be based on complex expressions as well as simple boolean answers being returned from the Test Set. Looping commands allow the continual monitoring of a parameter while performing tasks. Math and logic function commands together with bit manipulating commands allow the use and evaluation of complex functions. TMAC also provides a variety of data structures to assist in developing test procedures. Graphic commands allow the development of user defined screens and menus to aid the user in performing test sequences, The Status System provided allows the monitoring of the Status Registers called for in the IEEE-488.2 Standard. The third layer and one of the main strengths of TMAC is the capability to define macros with procedures built of machine specific commands as organized by the framework commands. Macros allow step by step test procedures to be developed, stored and locally or remotely implemented. Using macros is easy. Entering the name of the macro along with any variable parameters, executes the macro. Macros can be executed within other macros, allowing complicated procedures to be divided into smaller tasks. Macros can be initiated remotely, from the Front Panel Keyboard or automatically upon power up of the Test Set. The final layer of TMAC is the ability to Multitask Macros. The Multitasking feature of TMAC allows several macros to alternate command execution at once giving the appearance of being executed simultaneously. Multitasking in TMAC allows the user to activate a task, pass to the next task, put a task to sleep, wake a sleeping task and stop a task.

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