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

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

Part Name(s) : MAX9810 MAX9810AEBS-T MAX9810BEBS-T MAX9810CEBS-T MAX9810A MAX9810B MAX9810C MaximIC
Maxim Integrated
Description : ELECTRET CONDENSER MICROPHONE Cartridge Preamplifier View

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

Part Name(s) : K1109-X-AC3-R K1109-X-AE3-R K1109-J32-AC3-R K1109-J32-AE3-R K1109-J33-AC3-R K1109-J33-AE3-R K1109-J34-AC3-R K1109-J34-AE3-R K1109-J35-AC3-R K1109-J35-AE3-R K1109-J36-AC3-R K1109-J36-AE3-R K1109-J37-AC3-R K1109-J37-AE3-R UTC
Unisonic Technologies
Description : N-CHANNEL JFET FOR ELECTRET CONDENSER MICROPHONE View

■ 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) : K1109G-J32-AC3-R K1109G-J32-AE3-R K1109G-J33-AC3-R K1109G-J33-AE3-R K1109G-J34-AC3-R K1109G-J34-AE3-R K1109G-J35-AC3-R K1109G-J35-AE3-R K1109G-J36-AC3-R K1109G-J36-AE3-R K1109G-J37-AC3-R K1109G-J37-AE3-R K1109G-X-AC3-R K1109G-X-AE3-R K1109L-J32-AC3-R K1109L-J32-AE3-R K1109L-J33-AC3-R K1109L-J33-AE3-R K1109L-J34-AC3-R K1109L-J34-AE3-R K1109L-J35-AC3-R K1109L-J35-AE3-R K1109 K1109L-J36-AC3-R K1109L-J36-AE3-R UTC
Unisonic Technologies
Description : N-CHANNEL JFET FOR ELECTRET CONDENSER MICROPHONE View

■ 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) : WM-034B WM-034C WM-034D WM-034DB Panasonic
Panasonic Corporation
Description : MICROPHONE Cartridges View

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)

 

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

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) : SAN3021 SAN3022 Sames
South African Micro Electronic Systems
Description : SA2531/2 Single Chip Telephone: Using dynamic MICROPHONE as tone ringer View

Scope
This Application Note describes how to modify the standard application AN1500A to use a dynamic MICROPHONE instead of the standard ELECTRET MICROPHONE. Additionally, an application is shown, which uses the dynamic MICROPHONE as tone ringer.

Key Features
• Updating existing systems using dynamic handset MICROPHONE
• No need FOR a piezo ringer when using the dynamic MICROPHONE as tone ringer

Part Name(s) : 2SK596S 2SK596S-B 2SK596S-C K596 K596S 2SK596 2SK596 2SK596S 2SK596S-A 2SK596S-B K596 K596S ON-Semiconductor
ON Semiconductor
Description : N-CHANNEL JFET View

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) : OB-27L40 OB-27L40F OB-27L42 OB-27L42F OB-27L44 OB-27P40 OB-27P40F OB-27P42 OB-27P42F OB-27P44 OB-27S40 OB-27S40F OB-27S42 OB-27S42F OB-27S44 ETC
Unspecified
Description : OB-27 (6.0 x 2.7) Omnidirection Back ELECTRET CONDENSER MICROPHONE View

* Lead Wire Type : OB-27L

* Solderless Type : OB-27S

* Pin type : OB-27P

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