https://cablematic.com/en/products/unidirectional-microphone-boya-by-pvm1000l-JC059/
Unidirectional microphone BOYA BY-PVM1000L
- High quality unidirectional condenser microphone.
- Directional super cardioid pattern and based on theAcoustic principle of gradient pressure.
- Made of black aluminum and with padded cover for elimination of noise generated by the wind.
- 3-pin male XLR connection at the lower end for 48V Phantom Power.
- It works with a 1.5V AA battery for direct power with internal battery.
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- High quality unidirectional condenser microphone.
- Directional super cardioid pattern and based on theAcoustic principle of gradient pressure.
- Made of black aluminum and with padded cover for elimination of noise generated by the wind.
- 3-pin male XLR connection at the lower end for 48V Phantom Power.
- It works with a 1.5V AA battery for direct power with internal battery.
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Unidirectional microphone of the BOYA brand model BY-PVM1000L. It is a unidirectional condenser microphone for video cameras or photography cameras that allow the capture of professional videos. Elongated format for capturing sound in high quality.
Specifications
- High quality unidirectional condenser microphone.
- Directional super cardioid pattern and based on theAcoustic principle of gradient pressure.
- Made of black aluminum and with padded cover for elimination of noise generated by the wind.
- 3-pin male XLR connection at the lower end for 48V Phantom Power.
- It works with a 1.5V AA battery for direct power with internal battery.
- Recording quality at the level of professional studies.
- RankFrequency: 30 Hz to 20,000 Hz.
- HPF filter 80 Hz (High Pass Filter).
- Sensitivity: 33 dB.
- Output impedance: 280 Ohm (Phantom) or 380 Ohm (battery).
- Noise level: 80 dB or more.
- Noise cut switch.
- Length: 38 mm.
- 3.5mm minijack connector and extendable curly connection cable.
- Weight: 146 g.
- ON/OFF switch.
- Central body de 22 mm diameter for insertion in standard microphone holder.
- Gross Weight: 350 g
- Number of packages: 1
Technical terms
- Impedance
- Battery charging cycles
- Minijack 3.5
- XLR
- Hz
- Jack connector
- Capacitors
- Types of batteries
Impedance (Z) is the total opposition that a circuit offers to alternating current (AC) flow when a specific voltage is applied.
Unlike simple resistance, impedance is a complex quantity comprising resistance (the real part) and reactance (the imaginary part, representing inductive or capacitive effects). In the frequency domain, impedance is represented as a phasor, accounting for both magnitude and phase shift between voltage and current. In DC circuits, impedance reduces to pure resistance with zero phase angle.
| Parameter | Technical Spec |
|---|---|
| Symbol | Z |
| Unit | Ohm (Ω) |
Impedance management is critical in high-speed hardware design and signal integrity. In modern PCB manufacturing, controlled impedance ensures that high-frequency signals reach their destination without reflections, which is vital for PCIe or DDR5 performance.
Complex Domain Analysis
Mathematical modeling of impedance using the j-operator allows engineers to optimize filter performance and resonance characteristics in electronic systems.
Key Advantages
- Maximum power transfer through impedance matching.
- Minimized signal reflections in high-frequency transmission lines.
- Improved electromagnetic compatibility (EMC).
Note: Impedance is the cornerstone of modern AC circuit theory and high-frequency design.
