Voltage Variable Absorptive Attenuator
DC - 3 GHz
Features
q
q
q
q
AT-252
V 4.00
CR-3
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 Specifications
1 (From -55擄C to +85擄C)
Frequency Range
Insertion Loss
VSWR
Attenuation
2
DC 鈥?3.0 GHz
DC 鈥?2.0 GHz
DC 鈥?3.0 GHz
3.8 dB Max
3.5 dB Max
2.1:1 Max
8.5 dB Min
10.5 dB Min
鹵2.7 dB Max
鹵1.8 dB Max
鹵1.3 dB Max
鹵1.8 dB Max
DC 鈥?3.0 GHz
DC 鈥?3.0 GHz
DC 鈥?2.0 GHz
Flatness (to 12 dB Attenuation)
DC 鈥?3.0 GHz
(Peak to Peak)
DC 鈥?2.0 GHz
DC 鈥?1.0 GHz
Attenuation vs Temperature
0 to 10 dB Att.
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
IP3
3
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 碌A(chǔ) 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 mini-
mum.
4. Contact the factory for standard or custom screening requirements.
Functional Schematic (Top View)
Ordering Information
Part Number
AT-252 PIN
Package
Ceramic
1
2
