MA221A 1/2” Preamplifier_BSWA Technology Co., Ltd.

MA221A 1/2” Preamplifier

MA221A preamplifier is suitable for 1/2" prepolarized microphone with short length. It is suitable for applications coupler or where space is limited.

MA221A is designed as coaxial cable output with 2 m length of supplied cable. Users can customize the cable length and output connector. The commonly used connector is BNC or SMB.

Features:

● Fit to 1/2” prepolarized microphone

● ICCP power supply

● Coaxial cable output with user-defined output connector

Applications:

● Coupler measurement

● Application with limited space

Specifications

Diameter

1/2"

Polarization Voltage Support

0V (Prepolarized)

Frequency Response (Hz) (±0.5 dB)

4 ~ 150 k

Attenuation (dB)

<0.1

Maximum Output Voltage (Vpeak)

±7

Self-generated Noise (Typ.)

A-weighted

<4 uV

20 Hz ~ 20 kHz

<15 uV

Input Impedance (GΩǁpF)

6ǁ0.4

Output Impedance (Ω)

<30

Power Supply

ICCP (2 mA ~ 20 mA, 4 mA Typ.)

Operating Temperature Range (°C)

-40 ~ 80

Operating Humidity Range (%RH)

0 ~ 95

Dimensions (mm)

Ø12.7 × 38.9

Mounting Thread for Microphone

Ø11.7-60 UNS-2A

Output Connector

Coaxial cable output with user-defined output connector

Weight (g)

4.2 (included 1 m cable, BNC connector)

TEDS

No

Download information:

BSWA-III-C021-05-P0365_Brief

Diameter		1/2"
Polarization Voltage Support		0V (Prepolarized)
Frequency Response (Hz) (±0.5 dB)		4 ~ 150 k
Attenuation (dB)		<0.1
Maximum Output Voltage (Vpeak)		±7
Self-generated Noise (Typ.)	A-weighted	<4 uV
	20 Hz ~ 20 kHz	<15 uV
Input Impedance (GΩǁpF)		6ǁ0.4
Output Impedance (Ω)		<30
Power Supply		ICCP (2 mA ~ 20 mA, 4 mA Typ.)
Operating Temperature Range (°C)		-40 ~ 80
Operating Humidity Range (%RH)		0 ~ 95
Dimensions (mm)		Ø12.7 × 38.9
Mounting Thread for Microphone		Ø11.7-60 UNS-2A
Output Connector		Coaxial cable output with user-defined output connector
Weight (g)		4.2 (included 1 m cable, BNC connector)
TEDS		No