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Digital Audio Coax
Digital Audio Coax Baluns Series
3
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UniPatch
®
Multi-Circuit Baluns
Features
• Digital Audio Impedance Matching
• Can be mounted in the standard UniPatch
frame or used in a throwdown application
• Uses precision BNC connectors
• Uses E3 or QCP punchdown connectors
• Unique removable attenuation pad capability
allows users to control individual circuit’s
voltage outputs
AES 110 Ohm to
75 Ohm Balun
(E3)
Precision transformers,
glass epoxy circuit board,
True 75 Ohm BNC connectors
AES 110 Ohm to
75 Ohm Balun
(QCP)
Specifications
ELECTRICAL
Operating Range: .1-6 MHz
Maximum Voltage: Variable
Return Loss: Better than 28.5 dB
Insertion Loss: Better than .14 dB
ENVIRONMENTAL
Tested to IEC68, MIL-STD-202
Pad any of 4 circuits from 0-20 dB with
removable attenuation pad values
0
1
2
3
4
5
6
7
8
9
10
0
1
2
3
4
5
6 7
18
19
20
Attenuation Pad Value (dB)
17
16
15
14
13
12
11
10
9
8
2 volts
3 volts
4 volts
5 volts
6 volts
7 volts
8 volts
9 volts
10 volts
Input
Voltage
Output Voltage (p-p)
Description Catalog Number
UniPatch Multi-Circuit Balun, AES Audio to Coax , 110 Ω – 75 Ω
UniPatch E3 to BNC 4-Circuit Balun AM-411075-E3
UniPatch QCP MKII to BNC 4-Circuit Balun AM-411075-MKII
O r d e r i n g I n f o r m a t i o n