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The ASI8921/ASI8821 series are professional PCI tuner adapters designed for use in AM/FM/RBDS/RDS radio broadcast audio monitoring and auditing.

The ASI8921 and ASI8821 are based on tuner modules. Each module has four tuners on it and the ASI8921/ASI8821 can hold a maximum of two modules. The ASI8921 is a PCI adapter and the ASI8821 is a PCI Express (PCIe) adapter.

Up to eight different channels of AM or FM can be received and recorded simultaneously from a single antenna input. Recording formats include PCM and MPEG-1 layer2 and MPEG-1 Layer 3 (MP3).

Additional information

Weight 0.2 kg
features

New for 2013! Support for HD Radio/DAB/DAB+
Up to 8 channels of HD Radio/DAB/DAB+ (with appropriate module)
Up to 8 channels of AM/FM audio capture (with appropriate module)
Up to 8 channels of NTSC/PAL/SECAM TV audio capture (with appropriate module)
PCIe interface (ASI8821) or PCI interface(ASI8921)
Up to 8 channels of FM RBDS/RDS data capture
AM/FM tuners can be fed from individual external antennas
Audio monitoring of all tuners simultaneously
MRX technology allows each stream to have an independent sample rate of between 8 and 48kHz
PCM and MPEG-1 Layer 2 and MP3 recording formats
Half-length PCI card
Up to 8 cards in one system
Windows 7, XP, Server 2008/2003, and Linux software drivers available

specification

RF INPUT

Connector
F type 75 ohms, on card bracket

MCX connector (optional) (AM/FM only, per tuner, jumper selectable)

FM/RDS TUNER (-1000, -1100, -2000, -2200)

FM

Modes
Mono or Stereo

Frequency range
75.9MHz – 108.1MHz, 50kHz channel spacing

Sensitivity
15dBuV for -30dB THD+N

Input Level
90 dBuV Maximum (F connector)

100 dBuV Maximum (External antenna connector)

THD+N
-55dB @ 60dBuV RF Level, 1kHz sinewave, mono, 75kHz deviation, A-weighting

De-emphasis
50us or 75us (software selectable)

Audio bandwidth
30Hz-15kHz (+/-3dB)

RDS/RDBS

Sensitivity
25 dBuV

AM TUNER (-1000, -1100, -2000, -2200)

AM

Frequency range
520kHz-1720kHz, 1kHz channel spacing

Sensitivity
30dBuV for -30dB THD+N

Input Level
F connector: 75 dBuV Maximum

External antenna MCX connector: 90dBuV Maximum

THD+N
-50dB @ 60dBuV RF Level, 1kHz sinewave, 75% modulation, A-weighting, 2kHz bandwidth

De-emphasis
None or 50us (software selectable)

Audio bandwidth
100Hz – 2kHz (+/-3dB)

ANALOG TELEVISION TUNER ( -3000, -3300)

Television System
NTSC-M, PAL-B/G/D/K, SECAM L

Frequency range
42MHz – 864MHz (in 25kHz increments, driver 4.10.19 or higher)

Sensitivity

Input Level
F connector: 90 dBuV Maximum

THD+N
40dB @ 60dBuV RF Level, 1kHz sinewave, mono, A-weighting, 15kHz bandwidth

De-emphasis
None

Audio bandwidth
50Hz – 15kHz (+/-3dB)

FM/RDS/HD Radio/DAB/DAB+ TUNER (-5000, -5500)

FM

Modes
Mono or Stereo

Frequency range
75.9MHz – 108.1MHz, 50kHz channel spacing

Sensitivity
15dBuV for -30dB THD+N *

Input Level
90 dBuV Maximum (F connector)

100 dBuV Maximum (External antenna connector)

THD+N
-55dB @ 60dBuV RF Level, 1kHz sinewave, mono, 75kHz deviation, A-weighting*

De-emphasis
50us or 75us (software selectable)

Audio bandwidth
30Hz-15kHz (+/-3dB) *

RDS/RDBS

Sensitivity
25 dBuV *

HD Radio

Modes
Automatic

Frequency Range
87.5MHz – 108MHz

Sensitivity
15.9dBuV for –20dBc digital sideband power *

Input Level
90dBuV Max

De-emphasis
50us or 75us (software selectable)

DAB/DAB+

Modes
DAB+ lock, DAB lock, or Automatic

Input Frequency
168MHz – 250MHz

Sensitivity
5.99 dBuV with 10-4 BER *

Input Level
100dBuV Maximum

Ensemble Acquisition Time
940ms at 60dBuV RF level *

LINE OUTPUT

Connector
Mini 50pin on card bracket

Breakout Cable (included)
CBL3004 – Mini 50pin to 24 RCA jacks

Audio
4Vpp max into 10Kohms

SIGNAL PROCESSING

DSP
Texas Instruments [email protected]

Memory
8MB

Sample rates
8, 11.025, 12, 16, 22.05, 24, 32, 44.1, 48kHz

Audio Formats
8 bit unsigned PCM, 16bit signed PCM, 24 bit signed PCM

32bit IEEE floating point PCM

MPEG-1 Layer 2, MPEG-1 Layer 3 (MP3)

(MPEG Layer-3 audio coding technology licensed from Fraunhofer IIS and THOMSON multimedia)

GENERAL

Bus
ASI8921 – Universal 32bit PCI (3.3V or 5V signaling)

ASI8821 – X1 PCI Express

Dimensions
PCI short-length form factor (6.6 inches/168mm long)

Weight
7oz (200g) max

Operating Temperature
0 C to 70 C

Power Requirements
3.3V @ 1.3A, +5V @ 0.8A, -12V @0.1A

Ship Separately

0

Product can be split into multiple boxes

0

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STUDIO Receivers / Off-Air Monitors AudioScience ASI8821/ASI8921 Multi Channel Tuner