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Your Location:Products Introduction
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Product Name:DZX-E1 Electronics Synthetic Experimental Equipment
Product Series:Electrotechnics & Electronics Technology Series
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| Product Introduction |
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<span style="font-size: 14px"><strong>Technical description</strong></span><br />
DZX-E1 is designed for the experiments covering the courses of Analog electronics technology, Digital electronics technology and EDA technology & application which address the requirements of colleges or vocational schools. The equipment consists of basic unit and a desk with metal framework. The basic unit is equipped with the functional blocks which are analog electronics board, digital electronics board, power supply, signal source and instruments etc. The connection leads are fitted with 2mm stackable shrouded safety connectors made from double insulated cable. Safety has been paramount during the development of this equipment and every effort has been made to protect both the user and instruments.<br />
<span style="font-size: 14px"><strong>Specifications</strong></span><br />
(1) Input power supply: single-phase 3-wire 220V±10% 50Hz <br />
(2) Environment<br />
Temperature: -10℃~+40℃<br />
Relative humidity: ＜85%(25℃)<br />
Altitude: ＜4000m<br />
(3) Capacity: ＜200VA<br />
<span style="font-size: 14px"><strong>Lab exercises</strong></span><br />
<strong>(1) Analogue circuits lab exercises:</strong><br />
1) Usage of common electronic instruments<br />
2) Transistor common-emitter amplifier<br />
3) FET amplifier<br />
4) Negative feedback amplifier<br />
5) Emitter follower<br />
6) Differential amplifier<br />
7) Integrated amplifier specification measurement<br />
8) Basic application of integrated amplifier I—analog operational circuit<br />
9) Basic application of integrated amplifier II—signal processing (active filter)<br />
10) Basic application of integrated amplifier III—signal processing (voltage comparator)<br />
11) Basic application of integrated amplifier Ⅳ—signal processing (waveform generator) <br />
12) RC sine wave oscillator<br />
13) LC sine wave oscillator<br />
14) Assembly and commissioning of function signal generator<br />
15) VCO (voltage controlled oscillator)<br />
16) Low frequency power amplifier I—OTL power amplifier<br />
17) Low frequency power amplifier II—integrated power amplifier<br />
18) DC stabilized power supply I—series transistor stabilized power supply<br />
19) DC stabilized power supply II—integrated regulator<br />
20) Controllable Thyristor Rectifier Circuit<br />
21) Application lab—temperature monitor & control circuit<br />
22) Synthetic experiment—design and commissioning of multi-meter<br />
<strong> (2) Digital circuits lab exercises</strong><br />
1) Transistor switch characteristics, limiter and clamp<br />
2) Logic function and parameter test of TTL logic gate<br />
3) Logic function & parameters measurement of CMOS integrated logic gate<br />
4) Connection and drive of integrated logic circuit<br />
5) Design and measurement of combinational logic circuit<br />
6) Decoder & its application<br />
7) Data selector & its application<br />
8) Flip-flop & its application<br />
9) Counter & its application<br />
10) Shift register & its application<br />
11) Pulse distributor & its application<br />
12) Pulse signal generation using digital gates —Self-excited multivibrator<br />
13) Monostable flip-flop & Schmitt flip-flop——pulse delay & waveform shaping circuit<br />
14) 555 timer & its application<br />
15) D/A, A/D converter<br />
16) First responser——synthetic experiment<br />
17) Electrical stopwatch——synthetic experiment<br />
18) 3 -digit DC digital voltmeter——synthetic experiment<br />
19) Digital frequency meter——synthetic experiment<br />
20) Tug-of-war——synthetic experiment<br />
21) RAM (random access memory) 2114A & its application——synthetic experiment<br />
<strong>Equipment list</strong><br />
<strong> (1) Control panel</strong><br />
<strong>AC power supply</strong><br />
Single-phase 3-wire 220V power supply with the function of leakage protection (turn off the power supply automatically in the event of any leakage current exceeds the nominal value) and with red LED pilot lamp and a digital AC voltmeter.<br />
<strong>DC power supply</strong><br />
1) Two-way ±5V@1A and two-way ±12V@1A with the functions of short-circuit soft cutoff & auto recovery provided for each circuit.<br />
2) Two-way 0.0~30V@1A continuous adjustable power supplies, functions of short-circuit cutoff & auto recovery are provided and with digital display voltmeter.<br />
The continuous adjustable output voltage 0~±30V or 0~60V can be get through proper connection between the two 0.0~30V@1A.<br />
3) Commercial power<br />
A. AC continuous adjustable power supply: 0~250V (UA) and 0~25V@1A (UB) (it is output through the single-phase auto-transformer and then isolated through the step-down transformer)<br />
B. 220V commercial power is available at both side sockets of the equipment<br />
<strong>(2) Signal generator<br />
</strong>It is capable of generating sine wave, square wave, triangle wave, pulse wave and ramp etc.<br />
Output frequency can be varied from 0.2Hz to 2MHz (is divided into seven sub-range)<br />
Output amplitude: 2mV~20Vp-p (Hiz) and 1mV~10Vp-p (50Ω)<br />
Modulation type: FM, sweep<br />
Sweep type: linear and log<br />
Sweep speed: 5s~10ms<br />
Output impedance: 50Ω<br />
Duty ratio: 20%~80%<br />
Output mode: TTL/CMOS<br />
Over-voltage withstand: ±35V (1 min)<br />
Measuring range of frequency meter for external measurement is: 1Hz~25MHz<br />
<strong> (3) Reference pulse signal generator</strong><br />
Single pulse source: two-way positive & negative pulse output and four-way positive pulse output.<br />
Counter pulse: frequency is continuous adjustable (0.5Hz~300kHz)<br />
Standard frequency pulse point: 22 (Qn=4194304Hz/2n).<br />
<strong>(4) Instruments</strong><br />
1) Transistor tester: it is used to measure the common-emitter output characteristic curve and amplifier gain of the transistors (both NPN and PNP).<br />
2) Digital IC tester<br />
It is available to measure the performance of TTL, CMOS series ICs and identify the types of ICs.<br />
3) Digital true RMS AC millivoltmeter (two)<br />
It is available to measure the RMS valve of sine wave, triangle wave and square wave<br />
Measuring range: 0.2mV~600V (is switched into 6 sub-range)<br />
Resolution: 0.1mV.<br />
Frequency measurement range: 10Hz~2MHz<br />
Input impedance: 100KΩ±10%<br />
Measuring error (take 1kHz as reference): ±0.5% of reading ±2digit<br />
4) Frequency meter<br />
It is CPLD-based and has the features of wide measuring range, high accuracy and high sensitivity etc. The A/D conversion circuit and logical control CPU are equipped.<br />
Measuring range: 0.5Hz-100MHz<br />
Sensitivity: 35mV (0.1Hz~500kHz)//300mV (500kHz~100MHz)<br />
8-bit LED display<br />
Strobe time: 1s<br />
5) DC digital voltmeter/ammeter (four in all)<br />
It consists of A/D converter IC: 7107 and 4 common-anode LEDs.<br />
Switched ranges for the voltmeter: 200mV, 2V, 20V, 200V. Input impedance: 10MΩ, accuracy: 0.5%.<br />
Switched ranges for the ammeter: 2mA, 20mA, 200mA, 2000mA. Accuracy: 0.5%.<br />
<strong>(5) Multi-function logic test pin</strong><br />
It is used to measure the high level, low level, intermediate level, Hiz and pulse five states.<br />
<strong> (6) Quartz digital clock</strong><br />
It has the function of set & display time and alarming at expire time.<br />
<strong>(7) Decoder & display</strong><br />
The 6-digit hex seven-segment decoder display & 2-digit LED without decoder are adopted (one common anode and one common cathode)<br />
<strong>(8) Level display</strong><br />
16-bit LED level display<br />
<strong> (9) Logic level switch</strong><br />
16-bit switch level output<br />
<strong> (10) Thumbwheel switch</strong><br />
6-digit up/down decimal counter<br />
<strong>(11) Loudspeaker</strong><br />
One 8Ω@0.5W<br />
<strong>(12) Pointer type DC milliammeter</strong><br />
1mA<br />
<strong>(13) Experimental function board</strong><br />
1) It is divided into digital electronics and analog electronics, all the connection are accomplished on the backside of the board while the symbols and diagrams specific to each module are clearly silk-screened on the faceplates.<br />
2) DIP IC sockets and sockets for components connection are provided.<br />
3) Experimental modules including: single transistor/feedback amplifier, emitter follower, oscillator with RC series/parallel network, differential amplifier and LF OTL power amplifier, digital and analog EDA download board are provided.<br />
The experimental modules can be fixed by the four blue sockets (flexible) (which have already installed on the board).<br />
4) Components<br />
Oscillation coil, relay, thumbwheel switch, pushbutton, crystal oscillator, rectifier bridge, diodes, music IC, capacitors, many multi-turn potentiometers and carbon-film potentiometers.<br />
<strong>(14) Desk<br />
</strong>The desk is used for mounting power supply panel, components and instruments. It is moveable with integrated multi-direction wheels and height-adjustable feet to compensate for uneven flooring. The desk top is heat resistant, waterproof and made of highly-compressed board. The cabinet part with drawers, doors is for holding items associated with experiments.<br />
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