Transel Corporation Transalyzer Mark IIIA Analyzer
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Transalyzer Mark IIIA
The Transalyzer is a precision in-line instrument designed for usage with 50 ohm coaxial radio frequency systems. It continuously monitors the output of a transmitter. In adddition, the Transalyzer can be connected to a receiver for the purpose of analyzing received stations. The Counter Model Mark IIIA-C can be utilized to measure the transmitted frequency , or the frequency of other equipment. Transmitter monitoring includes the 160 through 10 meter Amateur bands, and the 11 meter CB band. Both Amplitude Modulated (AM) and Single Sideband Suppressed Currier (SSB) signals can be analyzed. Received monitoring of AM and SSB signals can be performed for stations well above 30 KHz; the maximum frequency depends upon the receiver. There are two (or three) types of displays: a Wattmeter, an Oscilloscope, and a Frequency Counter in the Mark IIIA-C. The Wattmeter (transmitt only) indicates output power, either peak or average, up to a maximum of 2000 watts. In addition, the standing wave ratio (SWR) and associated percent reflected power can be measured, Percent reflected power is the percentage of forward (transmitted) power that is being reflected back from the antenna. The Oscilloscope displays the percentage of modulation, modulation distortion, hum or ripple in an AM or SSB signal on transmit in conjunction with the two-tone Oscillator. In receive monitoring, the same things can be determined but with n.ore difficulty unless the transmitting station employs a tone Oscillator. A minimum of 2 and 1/2 watts (on Transmit) is required for proper Transalyzer operation. A phone jack allows the modulation in an AM transmitted signal to be heard through earphones. (System will not function with SSB). ADDITIONAL INFORMATION Nearly all transmitters will modulate 100% negative (centerline) very easily, out many will not modulate more than 70 to 80% in the positive direction. An Af-: transmitter should not be modulated beyone the point where negative modulation goes to 100%, or the positive peaks are flattened. A SSB transmitter, with two-tone Oscillator input should not be modulated beyone the point where positive peaks start to flatten. Any transmitter will sound the loudest and clearest when operated in this manner.
Service and User Manual
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Scanned document, reading partly badly, partly not readable.
2016 09 18
TABLE OF CONTENTS 1 FEATURES 2 ADDITIONAL I Iv FORMAT I OK 2 OPERATING INSTRUCTIONS 3 Transmitter Monitoring 3 AM Operation 3 SSB Operation 3 Receive Capability 1* Counter Operation U Headphone Operation U Oscilloscope Displays 5 INSTALLATION 6 Transmitter Connection Receive Connection Two-Tone Oscillator Adapter Counter Input Electronic Equipment Placement THEORY OF OPERATION 7 Wattmeter 7 Earpiiones 7 Oscilloscope 7 Counter Ö Block Diagram 9 CALIBRATION ■ 10 Wattmeter 10 Bridge Balance 10 SWR Compensation 10 Panp.e Calibration 10 Peak-Average Switch 11 Two-Tone Oscillator 11 Vertical Amplifier Board 11 liate Board 11 Sensitivity 12 Synchronization 12 Receive Capability 12 Counter Calibration 12 SCHEMATIC DIAGRAM 13
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