Audio Interface; Wireless Module 802.11B/G/N - Acer Aspire 7750Z Service Manual

Item
Audio Codec and Amplifier (Continued)
Amplifier
Features

Audio Interface

Item
Audio Controller
Audio onboard or optional
Mono or Stereo
Resolution
Compatibility
Sampling rate
Internal microphone
Internal speaker/quantity

Wireless Module 802.11b/g/n

Item
Chipset
Data throughput
Protocol
Interface
1-38
Build in Audio codec: Realtek ALC271X-VB3
Class D amplifier has high pass filter with programmable

Cut-Off frequency (10Hz~900Hz) to prevent low frequency
signal damage speaker
Class D amplifier output with slew rate and spread spectrum

control to improve EMI performance Independent left and
right channel of output power limiter (25%~100% power
range) to protect speaker
Intel low power ECR compliant: supports power status

control, jack detection, and wake-up event in D3 mode
Built in a 5V-to-4.5V linear regulator with 60dB PSRR to

power analog circuitry
Realtek ALC271X-VB3
On board
Stereo
Support 16/20/24bit PCM
HD audio Interface
Sample rate up to 192Khz resolution VSR (Variable Sampling
Rate)
Yes
Yes/(2W speakers x2)
Atheros HB95 / HB97, BCM43225, Realtek RTL8192SE
The 802.11g data rate provides for 54, 48, 36, 24, 18, 12, 9, 6
Mbps, 802.11b data rate provides for 11, 5.5, 2, 1 Mbps and
802.11n high data rate (up to 300Mbps)
802.11 b+g, Drat-N
PCI bus (mini PCI socket for wireless module)
Hardware Specifications and Configurations
Specification
Specification
Specification