AT-230 Tyco Electronics, AT-230 Datasheet - Page 2

• Manufacturer Part Number: AT-230
• Description: Digital Attenuator, 28 Db, 3-bit Dc - 2 Ghz
• Manufacturer: Tyco Electronics

2
M/A-COM Inc. and its affiliates reserve the right to make changes to the
product(s) or information contained herein without notice. M/A-COM makes
no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose, nor does M/A-COM assume any liability
whatsoever arising out of the use or application of any product(s) or
information.
Digital Attenuator, 28 dB, 3-Bit
DC-2.0 GHz
SOIC-14
Electrical Specifications: T
Attenuation Accuracy
1 dB Compression
Insertion Loss
(Input Power)
Parameter
Reference
Trise, Tfall
Transients
Ton, Toff
VSWR
IP
IP
2
3
50% Control to 90% RF, 50% Control to 10% RF
(for two-tone input power up to +5 dBm)
(for two-tone input power up to +5 dBm)
Measured Relative to Input Power
Measured Relative to Input Power
A
10% to 90% RF, 90% to 10% RF
= 25°C, Z
Test Conditions
DC-0.1 GHz
DC-0.5 GHz
DC-1.0 GHz
DC-2.0 GHz
DC-1.0 GHz
DC-2.0 GHz
0.5-2.0 GHz
0.5-2.0 GHz
0.5-2.0 GHz
0.05 GHz
0.05 GHz
0.05 GHz
In Band
0
= 50
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Truth Table
0 = VIN Low = 0 V to –0.2 V @ 20 µA maximum.
1 = VIN High = -5 V @ 10 µA typical to –8 V @ 200 µA maximum.
VC3 VC3 VC2 VC2
1
0
1
1
0
0
1
0
0
1
± (0.15 dB +3% of Atten Setting in dB) dB
± (0.30 dB +3% of Atten Setting in dB) dB
1
1
0
1
0
Units
Ratio
dBm
dBm
dBm
dBm
dBm
dBm
mV
dB
dB
dB
dB
nS
nS
Control Input
0
0
1
0
1
Min
VC1 VC1
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
1
1
0
0
0
0
0
1
1
1.2:1
Typ
1.2
1.5
1.6
1.8
12
18
25
20
28
45
68
40
50
Atten (dB)
Reference
16 dB
28 dB
4 dB
8 dB
Max
1.4
1.7
1.8
2.1
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AT-230
V4