Digital Attenuator, 31.5 dB, 6-Bit,
TTL Driver, DC - 2.0 GHz
V 4.00
AT20-0107
Features
n
n
n
n
n
n
n
CR-13
1
Attenuation: 0.5 dB Steps to 31.5 dB
Temperature Stability: 鹵0.18 dB from 鈥?0潞C to +85潞C
Typ.
Low DC Power Consumption
Surface Mount Package
Integral TTL Driver
High Intercept Point
Low Cost/High Performance
Description
M/A-COM's AT20-0107 is a GaAs FET 6-bit digital
attenuator with a 0.5 dB minimum step size and a 31.5 dB
total attenuation. This attenuator and integral TTL driver is
in a ceramic 24-lead surface mount package. The AT20-
0107 is ideally suited for use where accuracy, fast speed,
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 perform-
ance as fully hermetic version. Environmentally screenable
as P/N AT-107.
Electrical Specifications
2
: T
A
= +25擄C
Parameter
Insertion Loss
Attenuation Accuracy
3,4
VSWR
Trise, Tfall
Ton, Toff
Transients
1 dB Compression
5
Input IP
3 5
Input IP
2 5
Vcc
-Vee
Icc
-Iee
1.
2.
3.
4.
5.
Test Conditions
鈥?/div>
Any Bit or Combination of Bits
Full Range
10% to 90%
50% Control to 90%/10% RF
In-band (peak to peak)
Input Power
Input Power
Two Tone Inputs up to +5 dBm
Two Tone Inputs up to +5 dBm
鈥?/div>
鈥?/div>
Vcc = 4.5 to 5.5V
-Vee = -5.0 to -8.0V
Frequency
DC - 2.0 GHz
DC - 2.0 GHz
DC - 2.0 GHz
鈥?/div>
鈥?/div>
鈥?/div>
50 MHz
0.5 - 2.0 GHz
50 MHz
0.5 - 2.0 GHz
50 MHz
0.5 - 2.0 GHz
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Units
dB
dB
Ratio
nS
nS
mV
dBm
dBm
dB
dB
dB
dB
V
V
mA
mA
Min
鈥?/div>
鈥?/div>
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>
鈥?/div>
Typ.
3.2
鈥?/div>
鈥?/div>
50
150
50
+21
+29
+35
+48
+75
+79
5.0
鈥?/div>
鈥?/div>
鈥?/div>
Max
3.8
+(.3 +7% of atten.)
-(.2 +1% of atten.)
1.8:1
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
5.5
-5.0
6.0
1.0
Above reference insertion loss.
All specifications apply when operated with bias voltages of +5V for V
CC
and 鈥?.0 V to 鈥?.0 V for V
EE
and 50O impedance at all
ports unless otherwise stated.
This attenuator is guaranteed monotonic.
For the attenuator to meet the guaranteed specifications, it is necessary to have a DC return on either RF1 or RF2. The DC
return can be either a 10KO resistor, or an RF choke.
V
EE
= -5 V for the typical numbers given.
AT20-0107 產(chǎn)品屬性
11現(xiàn)貨
1 : ￥2,249.41000托盤
-
托盤
在售
0.5dB ~ 31.5dB
0 Hz ~ 2 GHz
-
50 Ohms
CR-13
AT20-0107相關(guān)型號PDF文件下載
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