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Part Name(s) : 2SK3536
Isahaya
Isahaya Electronics
Description : ELECTRET CONDENSER MICROPHONE APPLICATION N CHANNEL JUNCTION TYPE

DESCRIPTION
2SK3536 is a super mini package resin sealed silicon N channel junction type FET. Since excellent transient characteristics ,high|Yfs| and a super-thin flat lead type package,it is the optimum
as an ELECTRET CONDENSER MICROPHONE use.

FEATURE
・Super-thin flat lead type package.
   t=0.45mm
・High |Yfs|
・Excellent transient characteristics

APPLICATION
ELECTRET CONDENSER MICROPHONE application

Description : ELECTRET CONDENSER MICROPHONE Cartridge Preamplifier

General Description
The MAX9810 MICROPHONE preamplifier is intended FOR use inside ELECTRET CONDENSER MICROPHONE (ECM) cartridges. Current solutions use a FET as an impedance converter. FETs have limited gain, are susceptible to noise and require additional components external to the ECM cartridge FOR biasing and amplification. The MAX9810 replaces the FET with a high-gain, high-noise rejection, low-output-impedance amplifier. Designed to be integrated inside the ECM cartridge, the MAX9810 offers a flat frequency response, tightly controlled gain, increased sensitivity, and high-noise rejection greatly simplifying system design. Target applications include ECM cartridges in cell phones, PDAs, notebooks, and other portable audio devices.

Features
♦ Replaces FET in ELECTRET CONDENSER MICROPHONE
♦ 2.3V to 5.5V Single-Supply Operation
♦ Low-Impedance Output (<0.4Ω)
♦ High PSRR: 82dB
♦ Three High-Gain Options:
    MAX9810A: 24dB
    MAX9810B: 27dB
    MAX9810C: 30dB
♦ Internal Bias Voltage
♦ Low Supply Current (670µA)
♦ Rail-to-Rail® Output
♦ No Output Phase Reversal During Overload Conditions
♦ Available in a Tiny 4-Bump UCSP

Applications
    ELECTRET CONDENSER MICROPHONE Cartridges In:
        Cell Phones
        Notebooks
        PDAs
        Portable Audio

Description : N-CHANNEL JFET FOR ELECTRET CONDENSER MICROPHONE

■ DESCRIPTION
The UTC K1109 is N-CHANNEL JFET FOR ELECTRETs CONDENSER MICROPHONE.

■ FEATURES
* High GM Implies Low Transfer loss
* Built-In Gate-Source Diode and Resistor Implies Fast Power on Settling Time

SANYO
SANYO -> Panasonic
Description : SILICON N-CHANNEL JUNCTION-TYPE FIELD EFFECT TRANSISTOR FOR CONDENSER MICROPHONE IMPEDANCE CONVERSION

SILICON N-CHANNEL JUNCTION-TYPE FIELD EFFECT TRANSISTOR FOR CONDENSER MICROPHONE IMPEDANCE CONVERSION

Description : N-CHANNEL JFET FOR ELECTRET CONDENSER MICROPHONE

■ DESCRIPTION
The UTC K1109 is N-CHANNEL JFET FOR ELECTRETs CONDENSER MICROPHONE.

■ FEATURES
* High GM Implies Low Transfer loss
* Built-In Gate-Source Diode and Resistor Implies Fast Power on Settling Time

Part Name(s) : CZN-15E
ETC1
Unspecified
Description : Omnidirectional ELECTRET CONDENSER MICROPHONE

CZN-15E
Sensitivity: -46±3dB -42±3dB -38±3dB -34±3dB (0dB=1V/pa,1KHz)

Part Name(s) : 2SK596S-C
ON-Semiconductor
ON Semiconductor
Description : JFET 20V, 150 to 350µA, 1.0mS, N-CHANNEL

JFET
20V, 150 to 350µA, 1.0mS, N-CHANNEL

Features
• Low output noise voltage : VNO=--110dB max (VCC=4.5V, RL=1kW, Cin=15pF, VIN=0V, A curve)
• Especiallysuited FOR use in CONDENSER MICROPHONE FOR audio equipments and telephones
• Excellent transient characteristic
• Adoption of FBET process

Panasonic
Panasonic Corporation
Description : MICROPHONE Cartridges

Omnidirectional ELECTRET CONDENSER MICROPHONE Cartridge

■Features
●Useful FOR almost any type telephone and other applications
●Low operation voltage of 1.0V to 10V (2M-034D type)
MICROPHONE with pins FOR PCB (WM-034B/034DB type)

 

Description : N-CHANNEL JFET

JFET 20V, 150 to 350µA, 1.0mS, N-CHANNEL

Features
• Low output noise voltage : VNO=--110dB max (VCC=4.5V, RL=1kW, Cin=15pF, VIN=0V, A curve)
• Especiallysuited FOR use in CONDENSER MICROPHONE FOR audio equipments and telephones
• Excellent transient characteristic
• Adoption of FBET process

Part Name(s) : KTK598V
KEC
KEC
Description : N CHANNEL JUNCTION FIELD EFFECT TRANSISTOR

CONDENSER MICROPHONE APPLICATION.


FEATURES
Specially Suited FOR Use in Audio, Telephone
ELECTRET Capacitor MICROPHONEs.
High Voltage Gain.
Ultra Small & Thin Size Package.

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