Apogee PSX-100 Технічні характеристики

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High resolution. Apogee quality.

Multiple Interfaces,

two seconds or infinite hold; and how overs are defined (1-4 suc-

UV22HR & Soft Limit

cessive full-scale digital values). Bit-split signals may optionally

The PSX-100 includes built-in interfaces for ADAT, TDIF, S/PDIF

be received on the AES/EBU inputs (for Sony PCM-800 users and

coax and optical plus multiple AES/EBU.

others who wish to use bit-splitting on an AES/EBU device). Word

Other features include Apogee's newly-

clock output has two modes: it can follow the sample rate, or it

enhanced UV22HR word-length reduction sys-

can be set to generate 44.1/48 kHz even when the sample rate is

tem (which can be applied to either the A/D

set to 88.2/96kHz.

or the D/A) and Soft Limit for maximum

Three Operating Modes

A/D level without overs.

An auxiliary AES output allows a full-

A central design feature of the PSX-100 is the inclusion of com-

resolution output to be supplied, even

pletely independent A/D and D/A sections. Three distinct oper-

when UV22HR is in use on the main outputs. The

ating modes allow them to be used separately and in combina-

wide range of standard interfaces provided, including multiple

tion in several ways (see the block diagram opposite) . The A/D

AES I/O ports, allows the unit to be used for signal distribution

and D/A sections of the PSX-100 may be clocked separately and

and format conversion as well as for A/D and D/A applications.

can be configured to work together in different ways. The digi-

The inclusion of 88.2 and 96kHz sample rates makes the PSX-100

tal inputs and the A/D output are fed into a routing section

ideal for such applications as mastering high-resolution CDs uti-

which sends signals to the D/A and Aux output and/or to the

lizing 88.2kHz sampling, or for DVD-Audio masters sampled at

main digital outputs, according to which of the three basic oper-

96kHz with 24-bit resolution. Meanwhile, the inclusion of UV22

ating modes is selected.

to reduce the word length from 24 to 20 or 16 bits makes the unit

The default is

equally suitable for traditional 16-bit CD mastering or for DVD-

and D/A are independently clocked (and can even run at differ-

Video soundtracks requiring 20-bit signals sampled at 48 kHz.

ent sample rates). The output of the A/D is available at all the

digital outputs, and the D/A can receive its signal from any of the

High Resolution on your MDM

available digital inputs. The bargraph metering can be switched

Built-in Apogee Bit-Splitting (ABS) modes allow

between A/D and D/A. In this mode, there are two separate sig-

the two-channel 24-bit signal from the PSX-100

nal paths through the unit, while the other modes utilize a single

to be recorded and replayed using pairs of

path.

tracks of a 16-bit 44.1/48kHz sampling recorder, via ADAT, TDIF or

Digital Copy

mode takes the selected digital input and pro-

AES/EBU. With Apogee's new ABS-96 mode, you can even record

vides it to all the PSX-100's outputs, digital and analog. Both

stereo at 96kHz sampling on your existing 16-bit 8-track! An

clocks in this mode are synchronized to the digital input. This

optional video sync card allows the PSX to lock to NTSC/PAL

mode is ideal for format conversion, and simply copying digital

color and monochrome video.

media without having to re-patch your system.

Analog Monitor

Instant Access

puts and to the D/A, which therefore monitors signals passing

The PSX-100 matches Apogee's popular 8-channel AD-8000 in

through the A/D. The main clock is used as the reference (locked

appearance, with a distinctive purple front panel inlaid into a

to crystal or an external source), while the auxiliary clock is

solid aluminum extrusion, and large silver buttons allowing

slaved to it.

instant access to the unit's extensive feature set.

High sample rates,

The two light-bar meters can be set to read either the A/D or

high resolution, high quality

D/A when the two units are passing different signals, and other

functions are indicated by an array of LEDs. As a result, there is

To summarize, the PSX-100 is Apogee's first high

no need for a power-on indicator.

density, high resolution converter, offering 24-bit

A multi-voltage linear power supply is incorporated, including

A/D and D/A conversion at 88.2 and 96 kHz in

a true toroidal transformer with comprehensive regulation and

addition to conventional sample rates. This makes

smoothing circuitry to minimize voltage spikes, transients and

the system ideal for stereo DVD and DVD-Audio mastering and as

noise that can adversely affect converter performance. A gener-

a front-end to high-resolution, high sample-rate editing systems,

ous exposed heat-sink keeps temperatures well under control.

digital audio workstations and master recorders.

Virtually the entire rear panel of the PSX-100 is occupied by

Exclusive self-balancing analog I/O; two

interface connectors including two 2-channel AES inputs and

patented Apogee Low-Jitter Clocks; and

outputs. Both connectors are used for 96kHz operation; at

exceptional attention to detail in both the

44.1/48 kHz, they operate independently. A ten-way DIP switch

analog and digital aspects of the PSX-100 combine to make it

allows the setting of system-wide defaults which are intended to

capable of the finest audio performance available today. Once

be set once and then left alone. Capabilities include pro and

again, Apogee represents the heart of digital audio – and the

consumer analog I/O levels; pin 2/3 hot; setting the OVER LEDs to

heart of your system.

ANALOG AND A/D CONVERTER

Parameter

Resolution

Sample Rate 44.1–48, 88.2–96 kHz

Input Impedance

Pro

Consumer

Relative THD+N

–0.1 dBFS

–20 dBFS

–60 dBFS

Dynamic range

–60 dB, Unweighted

–60 dB, A-weighted

Peak Spurious Component

Group Delay (in passband)

Passband Ripple

Digital Filter Stopband

Stop-band Attenuation

Confidence Monitor

mode, in which the A/D

Channel Separation

Left/right

Frequency Response (10 Hz–20 kHz)

Gain

Phase

Common-Mode Rejection Ratio

60 Hz

1 kHz

Input Level, maximum (no gain)

Professional, balanced

Professional, unbalanced

Consumer, balanced

Consumer, unbalanced

Input Level, adjustment range

Crystal Oscillator accuracy

mode, the A/D is fed to all the system out-

Clock Jitter, 32kHz–106 kHz

For full details and application notes on all Apogee Electronics products, visit our Web site at http://www.apogeedigital.com/

The Apogee PSX-100 — Specifications

D/A CONVERTER

Value

Units

Parameter

Value

bits

Resolution

±10%

Conversion system

Delta-Sigma

Sample Rates

32–106

Ω

Relative THD+N, S/(N+D)

Ω

15K

–0.5 dBFS input

–100

Dynamic range

–110

dB (unweighted)

–60 dB, Unweighted

112

–112

dB (A-weighted)

Channel Separation

>120

–91

dB (unweighted)

Frequency Response (10Hz–20 kHz)

–93

dB (A-weighted)

Gain

±0.15

–56

dB (unweighted)

Phase

<< 1.0

–58

dB (A-weighted)

Maximum Output Level

116

DIGITAL SIGNAL PROCESSING

119

UV22HR Amplitude

–126

dB (max)

16 bits

–84

34/Fs

seconds

20 bits

–108

±0.001

Metering

0.5542Fs kHz

Accuracy (CAL mode)

± 0.1

117

Over Detection

1–4 consecutive 0 dBFS readings

120

dB (worst case)

SYSTEM

±0.025

AC line voltage

100, 120, 220, 240 vac (set internally)

< 0.01

degrees

Fusing 5 x 20 mm, 800mA (100–110v); 400 mA (220–240v) slow-blow

Power

>> 100

Size (w, h, d)

19 in, 1.75 in (1U), 14.25 in

>> 80

Weight

12.5 lb (5.8 kg)

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The Speciﬁcations above, and other information provided in this

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brochure, are subject to change without notice. Apogee Electronics

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Corporation reserves the right to make design changes without prior

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warning. Apogee, UV22, Soft Limit, AMBus, Clocked by Apogee,

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Apogee Bit-Splitting and the "96k" device are trademarks or regis-

±50

ppm

tered trademarks of Apogee Electronics Corporation. Other trade-

<< 22

psec

marks are the property of their respective owners.

The heart of digital audio.

POGEE

LECTRONICS

ORPORATION

, 3145 Donald Douglas Loop South, Santa Monica, California 90405-3210, USA.

Telephone: +1 310/915-1000. Fax: +1 310/391-6262. Email: [email protected]

Units

bits

kHz

degrees

dBu

(user-deﬁnable)

Watts

Photography by David Norwood

Created by Richard Elen

Printed in U.S.A.

PSX100v2/5M/1198