Digital Attenuator, 32 dB, 2-Bit,
TTL Driver, DC - 2 GHz
V 3.00
AT20-0273
Features
n
Attenuation: 16 dB steps to 32 dB
n
Temperature Stability: 鹵 0.18 dB from 鈥?0擄C to +85擄C
n
n
n
n
n
CR-11
Typical
Low DC Power Consumption
Surface Mount Package
Integral TTL Driver
Low Cost/High Performance
50 Ohm Nominal Impedance
Description
M/A-COM鈥檚 AT20-0273 is a GaAs FET digital
attenuator with a 16 dB minimum step size and 32 dB total
attenuation. This attenuator and integral TTL driver is in a
sealed ceramic 16-lead surface mount package. The
AT20-0273 is ideally suited for use where accuracy, fast
switching, very low power consumption and low
intermodulation products are required. Typical applications
include dynamic range setting in precision receiver circuits
and other gain/leveling control circuits. Available with
enhanced performance as fully hermetic version.
Environmentally screenable as P/N AT-273.
Electrical Specifications: T
A
= 25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 - 2.0 GHz
DC - 0.5 GHz
DC - 1.0 GHz
DC - 2.0 GHz
DC - 2.0 GHz
鈥?/div>
鈥?/div>
鈥?/div>
0.05 GHz
0.5 - 2.0 GHz
0.05 GHz
0.5 - 2.0 GHz
0.05 GHz
0.5 - 2.0 GHz
鈥?/div>
鈥?/div>
Units
dB
dB
dB
Min
鈥?/div>
鈥?/div>
鈥?/div>
Typ
1.2
1.3
1.5
Max
1.6
1.7
1.9
Attenuation Accuracy
2
C1 Bit
Full Attenuation (32 dB)
鹵 3% of attenuation setting in dB
鹵 3% of attenuation setting in dB
鹵 3% of attenuation setting in dB, -1 dB
鹵 3% of attenuation setting in dB, -3 dB
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>
50
150
50
+20
+28
+38
+48
+44
+68
5.0
鈥?/div>
1.4:1
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.
AT20-0273 產(chǎn)品屬性
10現(xiàn)貨
1 : ￥2,369.23000托盤(pán)
-
托盤(pán)
在售
16dB ~ 32dB
0 Hz ~ 2 GHz
-
50 Ohms
CR-11
AT20-0273相關(guān)型號(hào)PDF文件下載
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