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User’s Manual

TS200
Modulated Power Supply

Battery Simulator/Emulation

Waveform Amplifier

Power/Current Amplifier

PSRR/CMRR Measurement

Voltage Supply Transient Measurement

Accel Instruments

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Summary of Contents for TS200

Page 1: ...1 User s Manual TS200 Modulated Power Supply Battery Simulator Emulation Waveform Amplifier Power Current Amplifier PSRR CMRR Measurement Voltage Supply Transient Measurement Accel Instruments ...

Page 2: ...ill either repair or replace the product Warranty is voided if the device is opened by anyone other than Accel Instruments Warranty Limitations This warranty does not apply to normal wearing or misuse of the product or part Failure to follow proper operating instructions described in this document is not cover by warranty Warranty is void if any modification to the product without Accel Instrument...

Page 3: ...provided with this device Proper grounding of the device is required Use only properly grounded power receptacle Inspect the device before operating If it is appears damaged or defective do not use it Preset the output voltage before making connections to output terminals Do not open the device Do not operate device without the cover Do not operate or store the device outdoor Thermal Consideration...

Page 4: ...ation Input 7 AC DC Couple 8 Power Amplifier 8 Remote Control 8 Chapter 3 Advance Operation 9 Waveform Amplifier 9 Battery Simulator 9 LDO PSRR Measurement 10 LDO PSRR Measurement with Oscilloscope 11 Amplifier PSRR Measurement 12 Amplifier CMRR Measurement 14 Line Transient Measurement 15 Power Supply Noise Injector 16 Chapter 4 Specifications 17 Electrical Specifications 17 General Specification...

Page 5: ...S200 Functional Equivalent Figure 1 shows the TS200 modulated power supply functional equivalent diagram It consisted of an AC coupled or DC coupled input a high current amplifier and a DC output offset The adjustable DC offset sets the modulated power supply DC voltage This DC offset feature is ideal for LDO or amplifier PSRR measurement because they require a DC voltage The TS200 input signal is...

Page 6: ...quipped with 3 wire grounding connection The TS200 must be plug in into a 3 wire outlet with proper grounding For other regions proper power adopter with must be used Make sure the adopter has proper grounding connection Turn On Power Turn on the device by press the LINE button to the 1 position The LCD screen will turn on Note if the output is not enabled the LCD will display 0 0V Warning To avoi...

Page 7: ...0 output terminals are designed for banana connectors Connect the OUTPUT to the DUT device under test using cables with banana connectors not included For best performance especially for high frequency applications keep the connection wires as short as possible Twist the and wires leads together to minimize inductance For high current applications make sure the connection wires are heavy gauge to ...

Page 8: ...TS200 offers 0dB and 20dB gain options Remote Control The MODULATION input can serve as a remote voltage setting To do so adjust the OFFSET knob until the voltage reaches 0 0V and set to DC couple then apply a DC voltage to MODULATION input The DC input voltage can come from a programmable power supply or DAQ data acquisition Whatever the voltage on the MODULATION input is amplified and output to ...

Page 9: ...tor s output voltage is amplified by a factor of 10 If the TS200 is set to DC couple both the DC voltage and AC signal are amplified by a factor of 10 If TS200 is set to AC couple only the AC signal is amplified The TS200 DC output is set by its DC OFFSET knob Battery Simulator and Four Quadrant Supply The TS200 can be used as a four quadrant power supply or a batter simulator Four quadrant power ...

Page 10: ... setup Using a network analyzer the source is connected to the TS200 modulation input The TS200 output is connected to the LDO supply input It is recommended to reduce the LDO input capacitance to minimum Since the TS200 can drive a heavy load thus the LDO output can be loaded with the desired loading resistor i e maximum specified load Set the TS200 modulation input to AC coupled Adjust the DC Of...

Page 11: ...gure 4 Example of PSRR plot Table 1 List of network analyzers LDO PSRR Measurement with Oscilloscope Alternatively PSRR measurement can be done using an oscilloscope Place the oscilloscope probes as shown in Figure 5 CH1 probe is connected to the LDO supply input near the capacitor and CH2 probe is connected to the LDO output near the capacitor 1x probe is recommended due high oscilloscope noise f...

Page 12: ... has lower sensitivity than network analyzer Amplifier PSRR Measurement The TS200 is also ideal for amplifier power supply rejection ratio measurements especially power amps operating at maximum load conditions Such amplifiers as audio amplifiers class A B AB D and G with heavy loading are ideal for TS200 The TS200 can also measure PSRR for op amps differential amplifiers unity gain buffers digita...

Page 13: ...RR setup As shown in Figure 6 the amplifier input is grounded either AC or DC ground for PSRR measurement Calibrate the setup as shown in Figure 6a with the network analyzer input A and input B connected to the same point at the amplifier s supply input After calibration move input B to the amplifier output as shown in Figure 6b Then measure PSRR in the same way as the LDO in the previous section ...

Page 14: ...Offset knob until the output DC voltage reaches the desired common mode voltage i e VCC Typically for CMRR measurement the supply ripple amplitude is 200mVpp First the network analyzer and the TS200 need to be calibrated Figure 7a shows the calibration setup The network analyzer input A and input B are connected together at one point on the DUT board near the amplifier input Set the network analyz...

Page 15: ...d the TS200 output is connected to the device under test Typically the TS200 is set to DC couple Set the function generator s pulse high and low voltages generate the transient step For example to generate a 3 6V to 3 8V voltage step set the function generator output voltage low to 3 6V and output high voltage to 3 8V If B version is used set the output voltage low to 0 36V and output high voltage...

Page 16: ...e may be degraded with excessive supply noise The TS200 can be used to aid supply noise sensitive circuit testing Figure 10 shows a supply noise simulation setup The function generator is set to noise output The function generator output is connected to the TS200 Mod input The input is set to AC couple Adjust the DC Offset knob until the TS200 output voltage reaches the desired DUT supply voltage ...

Page 17: ...A version 0 dB B version 20 Min Modulation Frequency 3dB no load AC Coupled 1 Hz DC Coupled DC Max Modulation Frequency 3dB no load small signal AC Coupled 1 0 MHz DC Coupled 1 0 Slew Rate 16 V s LCD Voltmeter Accuracy Midrange 1 0 General Specifications Power supply adapter Input Voltage 100VAC to 240VAC Power supply adapter Input Frequency 50Hz 60Hz Operating Temperature Range 0 C to 40 C Storag...

Page 18: ...nt TS200 0A 10V to 10V 1 See Typical Performance Curves TS200 0B 10V to 10V 10 TS200 1A 20V to 20V 1 TS200 1B 20V to 20V 10 TS200 2A 20V to 45V 1 TS200 2A 20V to 45V 10 TS200 3A 10V to 70V 1 TS200 3B 10V to 70V 10 TS200 4A 0V to 15V 1 TS200 5A 40V to 40V 1 TS200 5B 40V to 40V 10 ...

Page 19: ...19 Typical Performance ...

Page 20: ...20 Typical Performance ...

Page 21: ...21 Accel Instrumentsl Email info accelinstruments com Website www accelinstruments com ...

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