AT-267_1 MACOM [Tyco Electronics], AT-267_1 Datasheet - Page 2

• Manufacturer Part Number: AT-267_1
• Description: Digital Attenuator, 1-Bit, 15dB, DC-2.0 GHz
• Manufacturer: MACOM [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, 1-Bit, 15 dB
DC-2.0 GHz
SOT-25
Truth Table
Electrical Specifications
3. For positive voltage control, external DC blocking capacitors are required on all RF ports (pins 1, 2 and 3).
4. External DC blocking capacitors are required as noted.
5. If negative control is used, DC blocking capacitors are not
required on RF ports and ground.
(Control)
Negative
Positive
Mode
(Reference State)
4
Control Current
5
Insertion Loss
Parameter
Attenuation
Trise, Tfall
Transients
Ton, Toff
Input IP
VSWR
+2.5V to +5V
-2.5V to -5V
P
1dB
0 ± 0.2V
0 ± 0.2V
4,5
V1
3
+2.5V to +5V
-2.5V to -5V
0 ± 0.2V
0 ± 0.2V
V2
3
: T
A
= 25°C, V
10% to 90% RF, 90% to 10% RF
Reference State
Reference State
Attenuation
50% Control to 90% RF,
50% Control to 10% RF
15 dB
15 dB
Test Conditions
Insertion Loss State
Insertion Loss State
Attenuation State
Attenuation State
1.0 GHz
2.0 GHz
1.0 GHz
2.0 GHz
1.0 GHz
2.0 GHz
1.0 GHz
1.0 GHz
In-band
C
—
= +2.5 Volts, Z
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Positive Control Voltage Schematic
0
= 50 Ω
Units
39 pF
Ratio
Ratio
dBm
dBm
dBm
dBm
mV
dB
dB
dB
µA
nS
nS
5
1
39 pF
Min
14.6
14.4
2
40
40
24
20
—
—
—
—
—
—
—
—
39 pF
4
3
Typ
1.2:1
1.3:1
15.1
14.9
0.3
0.4
50
50
26
23
29
50
10
—
Max
15.6
15.4
0.4
0.5
AT-267
—
—
—
—
—
—
10
—
—
—
V4