ST-DA3 RADIO DESIGN LABS, ST-DA3 Datasheet - Page 2

• Manufacturer Part Number: ST-DA3
• Description: RDL AUDIO DISTRIBUTION AMPLIFIER, POWER REQUIREMENTS: 24-30 VDC FLOATING OR 12-15 VDC BIPOLAR SUPPLY, 50 MA, APPLICATIONS: DISTRIBUTION WITH UP TO 3 OUTPUTS, BRIDGING A LINE FOR LOCAL DISTRIBUTION, DISTRIBUTION WITH IMPEDANCE CONVERS
• Manufacturer: RADIO DESIGN LABS

STICK-ON
Model ST-DA3
Distribution Amplifier
TYPICAL PERFORMANCE
Input:
Input Signal:
Maximum Input Level:
Outputs (3):
Output Signal:
Maximum Output Level:
Frequency Response:
THD+N:
Noise below +4 dBu:
891-0012O
(WHEN USING GROUND-REFERENCED POWER SUPPLY)
G
A
N
G
A
N
I
I
LINE-LEVEL
BALANCED
Balanced:
Unbalanced:
SOURCE
SIGNAL
FROM
INPUT
INPUT
RDL PS-24
SUPPLY
AUDIO DISTRIBUTION AMPLIFIER
AUDIO DISTRIBUTION AMPLIFIER
TYPE
LINE LEVEL BALANCED OR UNBALANCED
LINE LEVEL BALANCED OR UNBALANCED
EQUIPMENT
LINE-LEVEL
BALANCED
FEEDING
SIGNAL
1
1
20 kΩ balanced or unbalanced
-15 dBV to +21 dBu (for +4 dBu output)
+24 dBu
150 Ω balanced or 75 Ω unbalanced
+4 dBu nominal
6 dB below balanced line-level
+25 dBu
10 Hz to 100 kHz (+/- 0.05 dB)
< 0.002% (unity gain)
< -98 dB (unity gain)
OUTPUTS
OUTPUTS
®
OPTIONAL
JUMPER
SERIES
Europe [NH Amsterdam] (++31) 20-6238 983; Fax: (++31) 20-6225-287
2
2
U.S.A. [phone], [phone]; Fax: [phone]
BALANCED
OR UNBAL
OUTPUTS
3
3
OTHER
SOURCE
POWER
24 Vdc
Radio Design Labs Technical Support Centers
PWR
PWR
U
U
W
W
O
R
O
R
P
E
P
E
ADJUSTMENT
SUPPLY
FOR FLOATING
INSTALLATION
FOR GROUND-
INSTALLATION
REFERENCED
WIRING
WIRING
GAIN SET
OR BIPOLAR
AUDIO
25 TURN
NEGATIVE
NEGATIVE
GROUND
GROUND
DO NOT
POWER
POWER
OR
Headroom:
IMD:
Gain:
CMRR:
Indicator:
Power Requirement:
Dimensions:
G
A
N
G
A
N
I
I
UNBALANCED
LINE-LEVEL
SOURCE
SIGNAL
FROM
Installation/Operation
INPUT
INPUT
EN55103-1 E1-E5; EN55103-2 E1-E4
Typical Performance reflects product at publication time
exclusive of EMC data, if any, supplied with product.
Specifications are subject to change without notice.
AUXILIARY
AUDIO DISTRIBUTION AMPLIFIER
AUDIO DISTRIBUTION AMPLIFIER
BIPOLAR
SUPPLY
LINE LEVEL BALANCED OR UNBALANCED
LINE LEVEL BALANCED OR UNBALANCED
UNBALANCED
EQUIPMENT
LINE-LEVEL
FEEDING
1
1
> 20 dB (above +4 dBu)
< 0.003% (unity gain)
Unity +/- 17 dB (adjustable)
> 60 dB (50 Hz to 120 Hz)
Red LED power indicator
24 to 33 Vdc @ 70 mA,
Ground-referenced or Floating
Width:
Depth:
Height:
SIGNAL
OUTPUTS
OUTPUTS
2
2
BIPOLAR SUPPLY
3.00 in.
1.55 in.
0.65 in.
BALANCED
OR UNBAL
OUTPUTS
3
G
N
D
3
OTHER
Vdc
OR
12
15
PWR
PWR
U
U
Vdc
OR
12
15
7.62 cm
3.94 cm
1.65 cm
W
W
P
O
E
R
P
O
E
R