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Summary of Contents for EZ Digital AG-7001C
- Page 2 WARRANTY Warranty service covers a period of one year from the date of original purchase. In case of technical failure within one year, our service center or sales outlet free of charge will provide repair service. We charge customers for repair after the one-year warranty period has been expired.
- Page 3 Introduction Thank you for purchasing a EZ product. Electronic measuring instruments produced by EZ Digital are high technology products made under strict quality control. We guarantee their exceptional precision and utmost reliability. For proper use of the product, please read this operation manual carefully.
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Page 4: Table Of Contents
CONTENT 1. PRODUCT DESCRIPTION 1-1. Introduction ----------------------------------------------------- ( 5 ) 1-2. Technical Specifications ------------------------------------ ( 5 ) 1-3. Equipment Ratings ------------------------------------------- ( 7 ) 1-4. Supplied Accessories ---------------------------------------- ( 7 ) 2. INSTALLATION 2-1. Initial Inspection ----------------------------------------------- ( 7 ) 2-2. -
Page 5: Product Description
1. PRODUCT DESCRIPTION 1-1. Introduction This instrument is a audio generator with a signal output in frequency from 10 Hz to 1 MHz in 5 overlapping ranges and a step attenuator added. This generator can also be used without a external frequency counter through direct readout of the output frequency by 6 digit green LED display. - Page 6 SQUARE WAVE CHARACTERISTICS OUTPUT VOLTAGE : 10 Vpp or more. OVERSHOOT : 2% or less(at 1 KHz, max. output) RISE AND FALL TIME : 220 nS or less(at max. output) : 50% ±5%(at 1 KHz, max. output) DUTY RATIO EXTERNAL SYNCHRONIZATION CHARACTERISTICS SYNCHRONIZING RANG : ±...
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Page 7: Equipment Ratings
1-3. Equipment Ratings Power : AC 230V/115V, 50/60 Hz, 10 W Plug and Socket : 3 wire ac power plug and 3 wire outlet Fuse : 100 mA/ 250V F type Operating Environment: TEMPERATURE : 0 °C to + 40 °C HUMIDITY : up to 85% to 40°C without temperature extremes causing condensation within the... -
Page 8: Connecting Ac Power
2-2. Connecting AC Power This instrument requires ac 230v 50-60 Hz power through 3-conductor ac power cable to be fit into three-contact electrical outlet to secure grounding. If forced to use 2-conductor cable, use ground terminal in rear panel for grounding instrument. CAUTION THIS INSTRUMENT IS SET TO AC 230V. -
Page 9: Operation
3. OPERATION 3-1. Controls, Indicators And Connectors FIG 1. FRONT PANEL OPERATOR’S CONTROLS LED DISPLAY : Displays Internal or External Frequency. GATE TIME INDICATOR : Indicating gate time of INT/EXT frequency counter. MHz, KHz, Hz, mHz ANNUNCIATOR : Frequency counting unit. INT/EXT FREQUENCY COUNTER SELECT SWITCH Push in : External frequency counter Push out : Internal frequency counter. -
Page 10: Operating Instruction
OUTPUT : output BNC terminal for both sine wave and square wave. POWER SW : Push type switch. turning on the power when pressed. FREQUENCY DIAL: This dial adjust the output frequency. EXT COUNTER INPUT BNC This input BNC can be use as an external frequency counter. EXT SYNC INPUT BNC External synchronizing signal input BNC for connection of synchronizing signal. -
Page 11: Power On Self Check
POWER ON SELF CHECK (1) Before switching on the instrument, ensure that the power voltage is matched to the voltage setting of the instrument. (2) Set frequency range Switch to the push on position. (3) Select the sine or square wave form output, using the push button switch. (4) Adjust to the amplitude VR medium range. -
Page 12: External Synchronizing Input
NOTE Carefully select the cable used for the output connector. Some cable cause poor frequency characteristics for sine wave form and poor leading edge characteristics for square wave form. EXTERNAL SYNCHRONIZING INPUT By applying an external sine wave signal to EXT SYNC in BNC , the oscillating frequency can be synchronized to the external signal. -
Page 13: Frequency Counter
3-3. Frequency Counter If you want to use this instrument as an external frequency counter, press the push button switch ( ) ( EXTERNAL FREQUENCY COUNTER MODE) and connect external signal to be measured, with EXT INPUT BNC at front panel. the input frequency is displayed on 6 digit LED display. -
Page 14: Fuse Replacement
4-1. Fuse Replacement Disconnect and remove all connections from any live power source. Unscrew fuse holder by screw driver. Locate the defective fuse and remove it by gently pulling-out. Install a new fuse of the SAME SIZE AND RATING. Screwing fuse holder. CAUTION MAKE SURE THAT THE RATED AND SPECIFIED FUSES ARE USED FOR REPLACEMENT. - Page 15 the frequency variable. The elements provide means to vary the oscillating frequency continuously over 10 times if frequency on one range, thus determining any desired frequency within the entire frequency range from 10 Hz to 1 MHz. The amplifier circuit for the oscillator circuit is composed of a 2-stage differential amplifier circuit.
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Page 16: Applications
5-2. Applications Use As Sine wave Oscillator (1) With low distortion factor, it can be used for measurement of distortion characteristic of amplifier. (2) With wide bandwidth, it can be used for measurement of characteristic of amplifier. (3) It can be used as a signal source of impedance bridge. (4) Built-in frequency counter reads direct the internal frequency and external frequency. - Page 17 The specifications are subjected to change without notice.
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