Transcript
Microphone Cartridges
Omnidirectional Back Electret Condenser Microphone Cartridge Series:
WM-62PC/62PK WM-64PC/64PK WM-64PN
(pin type) (pin type) (pin type)
■ Features
■ Recommended Applications
● Provides special lead pins which realize connector connection or direct-in to PCB ● Very small, thin type omnidirectional microphone ● Most suited to products having limited space ● Back electret type designed for high resistance to vibrations ● Better shielded, RF noise-resistant type
● WM-62PC/64PC (33 pF)—GSM, PDC, etc. ● WM-62PK/64PK (10 pF)—DECT, PHS, PCN, PCS, etc. ● WM-64PN (33pF,10pF)—Dual Band
■ Sensitivity WM-64PC/64PK/64PN
WM-62PC/62PK
–45 ± 4dB
–45 ± 4dB
Vs = 2.0V RL = 2.2kΩ
(
) (
X: –46 ± 3dB
X: –46 ± 3dB T: –44 ± 3dB U: –40 ± 3dB
T: –44 ± 3dB
)
■ Specifications Sensitivity
–45±4dB (0dB = 1V/Pa, 1kHz)
Impedance
Less than 2.2 kΩ
Directivity
Omnidirectional
Frequency
20–16,000 Hz
Max. operation voltage
10V
Standard operation voltage
2V
Current consumption
Max. 0.5 mA
Sensitivity reduction
Within –3 dB at 1.5V
S/N ratio
More than 58 dB
■ Typical Frequency Response Curve Relative Response (dB)
+20 +10 0 –10 –20 –30 20
50
100
200
500 1000 Frequency (Hz)
2000
5000
10000 20000
■ Dimensions in mm (not to scale) WM-64PC/64PK
ø6.0 2 ø 0.45
ø6.0
1.9
Term 2 ground
2.8
1
Term 2 ground
2.8
2.2
Term 1 output
Term. 1 output 6.0
2.2
Term 1 output
1
WM-64PN
1.9
2.8
2 ø0.45
2.7
1.9
WM-62PC/62PK
2-
0.45
1
MARK (BLACK) Term. 2 Ground
Design and specifications are subject to change without notice. Ask factory for technical specifications before purchase and/or use. Whenever a doubt about safety arises from this product, please contact us immediately for technical consultation.
