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Signal modulation and demodulation circuit
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Signal generator
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Signal conditioning circuit
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Long line driver
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Interface circuit
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Accelerometer servo circuit
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Fluxgate servo circuit
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Switched reluctance servo circuit
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MCU
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AD collection
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Memory
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Frequency pressure/pressure frequency conversion
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Level shifting
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Scott-T transformer
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Clock circuit
Switched reluctance servo circuit
Model | name | VCC | IQ/Max | characteristic | Operation temperature | Packaging form | Alternative models | Alternative methods |
HJ3100A | Voltage conversion module | 18～36 | 75 | Small temperature drift, high detection accuracy, high reliability, high sensitivity, small zero position, and small volume | -45℃~85℃ | Φ38*22 | Self developed | - |
HJ11810A | Excitation and output signal demodulation circuit of rotary transformer | ±12 | 50 | Strong driving capability, low temperature drift, high reliability, no need for external components | -55℃~150℃ | FPP3730-10 | Self developed | - |
HJ11810B | Excitation and output signal demodulation circuit of rotary transformer | ±12 | 50 | Strong driving capability, low temperature drift, high reliability, no need for external components | -55℃~150℃ | UP2222-12 | Self developed | - |
HJG598 | LVDT excitation demodulator | ±18 | ±8 | Low power consumption, low distortion, small amplitude temperature drift of excitation signal, and small frequency temperature drift of excitation signal | -55℃~125℃ | HD14-02B | AD598 | Functional substitution |
HJG698 | LVDT excitation demodulator | ±18 | ±6 | Low power consumption, low distortion, small amplitude temperature drift of excitation signal, and small frequency temperature drift of excitation signal | -55℃~125℃ | HD14-02B | AD698 | Functional substitution |
HJ2S1210 | Variable resolution, 10 bit to 16 bit R/D converter | -0.3～7 | 12 | Absolute position and velocity output, built-in programmable sine wave oscillator, differential input, programmable fault monitoring threshold | -55℃~125℃ | LQFP48 | AD2S1210 | In situ substitution |