AT-119 Datasheet, PDF (2/5 Pages) Tyco Electronics – 2.25 Volt Voltage Variable Absorptive Attenuator - 40 dB, 1.8.2.5 GHz

AT-119
2.25 Volt Voltage Variable Absorptive Attenuator
42 dB, 1.8 - 2.5 GHz
Electrical Specifications: T_A = 25°C, Frequency = 2.4 GHz, V_CC = 3.3 V, Z₀ = 50 Ω
Parameter
Test Conditions ^4,5
Units Min. Typ.
Insertion Loss
V_CTL = 2.25 V
dB
—
2.4
Maximum Attenuation
V_CTL = 0.5 V
dB
37
42
Attenuation Slope
0.75 V < V_CTL < 1.75 V
dB/V
24
—
Return Loss
Input Power for 1dB Change in Attenuation
0.0 V < V_CTL < 0.75 V
0.75 V < V_CTL < 1.75 V
1.75 V < V_CTL < 2.25 V
0.75 V < V_CTL < 2.25 V
dB
—
6
dB
—
10
dB
—
14
dBm
—
10
Input 3rd Order Intercept Point
0.75 V < V_CTL < 2.25 V
dBm
—
15
Switching Speed
50% V_CTL to 10% / 90% RF
nS
—
100
Transients
V_CTL = 3 V, In-Band
mV
—
10
4. External DC blocking capacitors are required on all RF ports.
5. VCC = +3.3 V @ 50 µA typical. VCTL = 0 V to +2.25 V @ 50 µA typical.
Rev. V9
Max.
3.2
—
—
—
—
—
—
—
—
—
Application Schematic
RF IN/
OUT
100 pF
RF IN/
OUT
100 pF
VCC
V control
220 pF
15 pF
Handling Procedures
Please observe the following precautions to avoid
damage:
Static Sensitivity
Gallium Arsenide Integrated Circuits are sensitive
to electrostatic discharge (ESD) and can be
damaged by static electricity. Proper ESD control
techniques should be used when handling these
devices.
2
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