ETC AT-252PIN

Voltage Variable Absorptive Attenuator
DC - 3 GHz
AT-252
V 4.00
CR-3
Features
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Low Intermodulation Products
Ultra Low DC Power Consumption
Single Voltage Control 0 to -4 Volts
Small Package Size, 0.180" (4.6 mm) Sq.
Guaranteed Specifications1 (From -55°C to +85°C)
Frequency Range
Insertion Loss
DC – 3.0 GHz
3.8 dB Max
3.5 dB Max
DC – 3.0 GHz
DC – 2.0 GHz
VSWR
Attenuation2
DC – 3.0 GHz
DC – 3.0 GHz
DC – 2.0 GHz
Flatness (to 12 dB Attenuation) DC – 3.0 GHz
(Peak to Peak)
DC – 2.0 GHz
DC – 1.0 GHz
Attenuation vs Temperature 0 to 10 dB Att.
2.1:1 Max
8.5 dB Min
10.5 dB Min
±2.7 dB Max
±1.8 dB Max
±1.3 dB Max
±1.8 dB Max
Operating Characteristics
Impedance
50 Ohms Nominal
Switching Characteristics
Trise, Tfall (10% to 90%)
3 ns Typ
Ton, Toff (50% CTL to 90%/10% RF)
5 ns Typ
Transients (In-Band)
10 mV Typ
Power Handling
Linear Operation
+13 dBm Max
Absolute Max Input Power
+21 dBm Max
Intermodulation Intercept Point
(for two-tone input power up to +5 dBm)
Intercept Points
IP2
IP33
0.05 GHz
34
+31
dBm Typ
0.5 GHz to 2.0 GHz
47
+36
dBm Typ
Control Voltages (A Input) -4V to 0V @ 100 µA Max
1. All specifications apply with 50 ohm connected to all RF ports.
2. Above reference insertion loss.
3. For levels above 6 dB attenuation. For levels below 6 dB, IP 3 = 18 dBm minimum.
4. Contact the factory for standard or custom screening requirements.
Ordering Information
Part Number
Package
AT-252 PIN
Ceramic
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Functional Schematic (Top View)
Voltage Variable Absorptive Attenuator
AT-252
V 2.00
Absolute Maximum Ratings1
Parameter
Max. Input Power
Control Voltage
Operating Temperature
Storage Temperature
Absolute Maximum
+21 dBm
+5 V, –8.5 V
–55˚C to +25˚C
–65˚C to +150˚C
1.Operation of this device above any one of these parameters may
cause permanent damage.
Typical Performance
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