Digital Attenuator, 32 dB, 2-Bit
DC - 2 GHz
Features
q
q
AT-272
V 2.00
CR-6
q
q
q
Attenuation 16-dB Steps to 32 dB
Temperature Stability +/- 0.18 dB from -55藲C to
+85藲 C Typical
Ultra Low DC Power Consumption
Hermetic Surface Mount Package
Fast Switching Speed, 6 ns Typical
(From -55擄C to + 85擄C)
DC 鈥?2.0 GHz
16 dB Steps to 32 dB
DC 鈥?2.0 GHz
Guaranteed Specifications
1
Frequency Range
Nominal Attenuation
2
Attenuation Accuracy
Any Single Bit
(DC-2 GHz 鹵 3% of Attenuation Setting in dB) dB
Any Combination of Bits (DC-1 GHz 鹵 3% of Attenuation Setting in dB) dB
Any Combination of Bits (1-2 GHz 鹵 7.5% of Attenuation Setting in dB) dB
VSWR
Reference Insertion Loss
DC 鈥?2.0 GHz
DC 鈥?2.0 GHz
1.6:1 Max
2.0 dB Max
Operating Characteristics
Impedance
50 Ohms Nominal
Switching Characteristics
Trise, Tfall (10% to 90%)
6 ns Typ
Ton, Toff (50% CTL to 90%/10%)
16 ns Typ
Transients (in-Band)
15 mV Typ
Input Power for 1 dB Compression
0.05 GHz
+27 dBm Typ
0.5 GHz to 3 GHz
+30 dBm Typ
Intermodulation Intercept point
(for two-tone input power up to +5 dBm)
Intercept
Points
IP2
IP3
0.05 GHz
+44
+38
dBm Typ
0.5 GHz to 3 GHz
+68
+48
dBm Typ
Control Voltages (Complementary Logic)
Vin Low
0V to -0.2V @ 20 碌A(chǔ) Max
Vin Hi
-5V @ 20 碌A(chǔ) typ to -8V @ 100 碌A(chǔ) Max
1. All specifications apply when operated with a 50 ohm impedance at both RF ports.
2. Above reference insertion loss.
Ordering Information
Part Number
AT-272 PIN
Package
Ceramic
1
2
