Digital Attenuator, 15 dB, 4-Bit,
TTL Driver, DC - 3 GHz
V 3.00
AT-213
Features
n
Attenuation: 1 dB steps to 15 dB
n
Temperature Stability: 鹵 0.18 dB from 鈥?5擄C to +85擄C
n
n
n
n
CR-11
Typical
Low DC Power Consumption
Hermetic Surface Mount Package
Integral TTL Driver
50 Ohms Nominal Impedance
Description
M/A-COM鈥檚 AT-213 is a 4-bit, 1 dB step digital attenuator
in a hermetically sealed ceramic 16-lead surface mount
package. The AT-213 is ideally suited for use where high
accuracy, fast switching, very low power consumption and
low intermodulation products are required.
Typical
applications include dynamic range setting in a precision
receiver circuits and other gain/leveling control circuits.
Environmental screening is available. Contact the factory
for information.
Electrical Specifications: T
A
= -55擄C to +85擄C
1
Parameter
Reference Insertion Loss
Test Conditions
鈥?/div>
Frequency
DC - 0.5 GHz
DC - 1.0 GHz
DC - 2.0 GHz
DC - 3.0 GHz
DC - 2.0 GHz
DC - 3.0 GHz
DC - 2.0 GHz
DC - 3.0 GHz
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
0.05 GHz
0.5 - 3.0 GHz
0.05 GHz
0.5 - 3.0 GHz
0.05 GHz
0.5 - 3.0 GHz
鈥?/div>
鈥?/div>
Units
dB
dB
dB
dB
Min
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Typ
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Max
1.7
1.9
2.2
2.5
Attenuation Accuracy
2
Any Single Bit
Any Combination of Bits
鹵 (0.15 dB +3% of atten setting in dB) dB
鹵 (0.2 dB +3% of atten setting in dB) dB
Or 鹵 0.4 dB, whichever is greater
鹵 (0.2 dB +3% of atten setting in dB) dB
鹵 (0.2 dB +3% of atten setting in dB) dB
Or 鹵 0.4 dB, whichever is greater
Ratio
ns
ns
mV
dBm
dBm
dBm
dBm
dBm
dBm
V
V
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
4.5
-8.0
鈥?/div>
9
40
30
+22
+28
+40
+50
+45
+68
5.0
鈥?/div>
1.6:1
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
5.5
-5.0
VSWR
Trise, Tfall
Ton, Toff
Transients
1 dB Compression
Input IP3
Input IP2
Vcc
Vee
鈥?/div>
10% to 90%
50% Control to 90/10% RF
In-Band (peak-peak)
Input Power
Input Power
For two-tone Input Power
Up to +5 dBm
For two-tone Input Power
Up to +5 dBm
鈥?/div>
鈥?/div>
1. All specifications apply when operated with bias voltages of +5V for Vcc and 鈥?.0V for Vee.
2. This attenuator is guaranteed monotonic.
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