0.100 TYP (2.54)
0.200 TYP (5.08)
0.250 MIN
(6.35) 0.187 MAX
(4.75)
0.018 ± 0.005
PIN DIA
(0.46 ± 0.13)
0.60 DIA
(15.2 )
0.200 TYP (5.08)
P7
P4
P10
0.400 (10.16)
TYP
P1
Bottom of Case is AC Ground
Dimensions in ( ) are in mm.
Unless Otherwise Noted: .xxx = ± 0.010 (.xx = ± 0.25)
.xx = ± 0.02 (.x = ±0.5)
1 Bit, 10 dB, GaAs Digital Atten uator
0.02 - 2 GHz AT-358
T0-8-2
Functional Sc hematic (T op View)
C1 State
0 Reference Loss
1 Attenuation
Truth T able
Guaranteed Specifications
1
(From -55°Cto +85°C)
Frequency Range 0.02 – 2.0 GHz
Nominal Attenuation
2
10 dB
Attenuation Accuracy 0.02 – 2.0 GHz +/-0.5 dB Max
0.02 – 1.0 GHz +/-0.3 dB Max
0.02 – 0.5 GHz +/-0.2 dB Max
0.02 – 0.2 GHz +/-0.2 dB Max
VSWR 0.02 – 2.0 GHz 1.9:1 Max
0.02 – 1.0 GHz 1.3:1 Max
0.02 – 0.5 GHz 1.3:1 Max
0.02 – 0.2 GHz 1.3:1 Max
Reference Insertion Loss
0.02 – 2.0 GHz 2.7 dB Max
0.02 – 1.0 GHz 1.0 dB Max
0.02 – 0.5 GHz 0.9 dB Max
0.02 – 0.2 GHz 0.8 dB Max
Operating Characteristics
Impedance 50 Ohms Nominal
Switching Characteristics
Ton, Toff (50% CTL to 90%/10% RF) 100 ns Typ
Trise, Tfall (10%/90% or 90%/10% RF) 40 ns Typ
Switching Transients (Unfiltered) 50 mV Typ
Input Power for 1 dB Compression
0.5 – 2.0 GHz +24 dBm Typ
0.05 GHz +18 dBm Typ
Intermodulation Intercept Point (for two-tone input power up to +5 dBm)
Intercept Points IP2 IP3
0.5 – 2.0 GHz +58 +38 dBm Typ
0.05 GHz +54 +35 dBm Typ
Bias Power +5 VDC @ 1 mA Max
Control Voltages
Vin Low (0) 0.0 to 1.5V @ 1µA Max
Vin High (1) 3.5 to 5.0V @ 1µA Max
1.All specifications apply with 50 ohm impedance connected to all RF ports, with +5
VDC bias voltage.
2.Above reference insertion loss.
3.Contact the factoy for standard or custom screening requirements.
Ordering Inf ormation
Model No. Package
AT-358 PIN TO-8-2
Features
•CMOS Control Interface
•Low Power Consumption
GND
GND
+5V
GND
GND
RF IN
RF OUT
10 dB
GND
GND
GND
GND
CI
Specifications Subject to Change Without Notice. V2.01