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Teyleten robot
Teyleten Robot AD637 Module RMS Detection Module Peak Voltage Detection Module Output DC Voltage with Low Pass Filter Function Demo Board
Disponibilidad:
En stock
En stock
Peso con empaque:
0.36 kg
0.36 kg
Devolución:
Sí
Sí
Condición
Nuevo
Nuevo
Producto de:
Amazon
Amazon
Sobre este producto
- The AD637 is a complete, high-precision, root mean square (RMS) DC converter capable of calculating the true RMS value of any complex waveform. It provides an integrated circuit RMS DC converter with high performance, precision, bandwidth, and dynamic range comparable to discrete and modular designs.
- The AD637 can calculate the true RMS value, mean square value, or absolute value of any complex AC (or AC plus DC) input waveform and provides an equivalent DC output voltage. The true RMS value of a waveform is directly related to signal power, making it more useful than an average rectified signal. The RMS value of a statistical signal is related to the signal's standard deviation.
- The AD637 features a user-configurable auxiliary dB output. This takes the logarithm of the RMS output signal separately. A pin for direct dB measurement is provided, with an effective range of 60 dB. An externally programmable reference current allows the user to select a 0 dB reference voltage corresponding to any level between 0.1 V and 2.0 V RMS. Additionally, when the AD637 power supply is turned off, the output enters a high-impedance state. This enables multiple AD637 devices to be connected together to form a wideband true RMS multiplexer.
- The AD637 input circuitry is not protected against overvoltage exceeding the supply level. If the power supply voltage is lost, the input terminals will not be damaged by the input signal.
- module protection: includes reverse polarity protection and overcurrent protection.
U$S 52,48
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U$S 20,99
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Module Type: RF Logarithmic Detector; Module Supply Voltage: ±5V to ±15V (maximum ±18V); Module Supply Current: 5mA to 15mA Input Signal Form: Single-ended; Input Voltage Range: -45dBm to +30dBm (within 7VRMIS); Input Frequency Range: DC to 8MHz Input impedance: 50 Ω; Output voltage range: 0.85V–2.6V (actual measured values may vary between modules); Input signal characteristics: Input coupling (to prevent DC components from being introduced, which could cause inaccurate module output values; protects the module from damage due to DC surges, but adding a large capacitor in the low-frequency band may result in an excessively long charging time constant) Output current: 2 mA (max). The output is a voltage signal and typically does not carry current; module dynamic range: 60 dB Module Usage Guidelines (1) The maximum input RMS voltage amplitude for the detector module is 7Vrms. The supply voltage should not exceed ±18V. If the RMS value to be measured is relatively large, the supply voltage should be correspondingly increased. (2) Since the module is a precision device, it is recommended to use a linear power supply to avoid unnecessary interference. (3) It is recommended to use an SMA interface for the input signal. Poor contact or low-quality cables may cause signal attenuation or excessive noise, resulting in inaccurate measurements. (4) The input terminal has either an SMA input or an XH2.54-2PIN anti-misinsertion socket input; either option can be selected. (5) Due to capacitive coupling and the chip's frequency characteristics, independent segmented calibration is required below 200 Hz and above 3 MHz. Additionally, the coupling capacitor must be amplified below 200 Hz to ensure accurate output detector RMS values. Refer to the test table for specific parameters. (6) The response and amplitude of the detector module may vary at different frequencies, and there may be differences between different modules. This is a normal phenomenon and not a block issue.
