HP Mobile 8540w manual Dac, Adc

QuickSpecs

HP EliteBook 8540w Mobile Workstation

Technical Specifications

Audio Output Quality	Frequency Response	20 Hz - 20 kHz
	Signal to Noise Ratio	>85 dB
	Total Harmonic	0.01%
	Distortion
	Noise Floor	-110 dB
	Play/Record Sampling 8 kHz - 48kHz
	Rate(s)
	DAC	16, 20 or 24-bit
	ADC	16 or 20-bit
Integrated Stereo	Power Rating	2 Watts
Speakers	Impedance	4 Ohms
Communications
Intel Centrino Ultimate- Wireless LAN		IEEE 802.11a
N 6300	Standards	IEEE 802.11b
		IEEE 802.11g
		IEEE 802.11n*
		* In countries where 802.11n is not allowed, this capability is not
		enabled.
	Interoperability	Wi-Fi certified (802.11bgn only)
		Cisco Compatible Extensions Program compliant (802.11bgn only) with
		Microsoft Windows Vista and XP
	Frequency Band	2.4 GHz and 5GHz
	Antenna Structure	3 transmit; 3 receive (3x3)
	Data Rates	802.11a: 6, 9, 12, 18, 24, 36, 48, 54 Mbps
		802.11b: 1, 2, 5.5, 11 Mbps
		802.11g: 6, 9, 12, 18, 24, 36, 48, 54 Mbps
		802.11n: many possible data rates, ranging from 6 Mbps to 450 Mbps,
		depending on the combination of Bandwidth, Modulation Coding
		Scheme, and Guard Interval used, as defined in IEEE 802.11n
		specification
	Modulation	Direct Sequence Spread Spectrum
		DBPSK, DQPSK, CCK, OFDM, BPSK, QPSK, 16-QAM, 64-QAM
	Security1	Authentication: WPA and WPA2, 802.1x (EAP_TLS, TTLS, PEAP,
		LEAP, EAP-FAST)
		Authentication Protocols: PAP, CHAP, TLS, GTC, MS-CHAP, MS-
		CHAPv2
		Encryption: 64 and 128-bit WEP, AES-CCMP, CKIP, TKIP
		Support for Cisco Security Features (proven compatibility with Cisco
		Aironet infrastructure products through the Cisco Compatible
		Extensions Program Version 4) with Microsoft Windows Vista and XP
		only.
	Sub-channels	Multinational support with frequency bands and channels compliant to
		local regulations.

Media Access Protocol CSMA/CA (Collision Avoidance) with ACK

DA - 13529 Worldwide QuickSpecs — Version 8 — 3.11.2010 Page 28