https://cablematic.com/en/products/unidirectional-microphone-camera-boya-by-vm02-JC052/
Unidirectional Microphone Camera BOYA BY-VM02
- Unidirectional condenser microphone.
- Made of ABS black plastic and PC, with universal fixing to flash shoe.
- Damped anti-vibration fixation.
- It works with a 1.5V AAA battery.
- Quality of recording at the level of professional studies.
2 yearswarranty
14 daysreturns
- Unidirectional condenser microphone.
- Made of ABS black plastic and PC, with universal fixing to flash shoe.
- Damped anti-vibration fixation.
- It works with a 1.5V AAA battery.
- Quality of recording at the level of professional studies.
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More info
Unidirectional microphone of the BOYA brand model BY-VM02. It is a directional condenser microphone for video cameras or photography cameras that allow the capture of professional videos. Gun type format with universal hot-shoe connector to attach to flash shoe of photo or video camera.
Specifications
- Unidirectional condenser microphone.
- Made of ABS black plastic and PC, with universal fixing to flash shoe.
- Damped anti-vibration fixation.
- It works with a 1.5V AAA battery.
- Quality of recording at the level of professional studies.
- Frequency range: 35 Hz to 20,000 Hz.
- HPF filter 80 Hz (High Pass Filter).
- Sensitivity: -35 dB.
- PAD adjustment of 3 levels of sensitivity: 0 dB, -10 dB and 20 dB.
- Output impedance: 200 Ohm or less.
- Maximum SPL: 134 dB.
- Noise level: 76 dB or more.
- Noise cut switch.
- Size: 250 x 102 x 65 mm.
- 3.5mm minijack connector and extendable curly connection cable.
- Weight: 126 g.
- LED status indicator and ON / OFF switch.
- Padded microphone protector and extra anti-wind cover.
- Gross Weight: 370 g
- Number of packages: 1
Technical terms
- Impedance
- Minijack 3.5
- Hz
- Jack connector
- Capacitors
- Types of batteries
- ABS
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.
