at-118pin Tyco Electronics, at-118pin Datasheet - Page 2

• Manufacturer Part Number: at-118pin
• Description: Voltage Variable Absorptive Attenuator
• Manufacturer: Tyco Electronics

Specifications subject to change without notice.
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Absolute Maximum Ratings
Maximum Input Power
Supply Voltage V
Control Voltage V
Operating Temperature
Storage Temperature
1.
Typical Performance Curves
Voltage Variable Absorptive Attenuator
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Asia/Pacific: Tel.[phone], Fax [phone]
Europe: Tel. [phone], Fax[phone]
-0.2
-0.4
-0.6
-0.8
-1.2
-1.4
-1.6
-1.8
-10
-12
-14
-16
-18
Exceeding any one or a combination of these limits may cause
permanent damage.
-2
-4
-6
-8
-1
-2
0
0
0.5
0.5
Insertion Loss vs. Frequency
Attenuation vs. Frequency @ Vc = 0V
Parameter
CC
C
1
1
FREQUENCY (GHz)
FREQUENCY (GHz)
1.5
1.5
Q
2
2
Absolute Maximum
1
-65°C to +150°C
-40°C to +85°C
-1V, V
+21 dBm
-1V, +8V
2.5
2.5
CC
+0.5V
3
3
Functional Schematic
RF
1.
2.
3.
4.
-10
-12
-14
-16
-18
-10
-12
-14
-16
-18
GND
GND
-2
-4
-6
-8
-2
-4
-6
-8
Vcc
V
V
External DC blocking capacitors are required on all RF ports.
39 pF used for data measurements.
0
0
CC
C
3
3
= 0 V
Attenuation vs. Control Voltage
Typical Device Variation
= +3 V
2
3
4
1
DC
DC
to +3 V
2.5
2.5
@ 20 µA max.
CONTROL VOLTAGE (Volts)
CONTROL VOLTAGE (Volts)
DC
CONTROL VOLTAGE
@ 75 µA max.
ATTENUATION (dB)
2
2
1, 2, 3
1.5
1.5
1.8 GHz
F = 900 MHz
1
1
900 MHz
8
6
5
7
GND
Vc
GND
0.5
0.5
2.4 GHz
AT-118
RF
0
0
V 4.0
2