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AT220 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Digital Attenuator - MA-Com

भाग संख्या AT220
समारोह Digital Attenuator
मैन्युफैक्चरर्स MA-Com 
लोगो MA-Com लोगो 
पूर्व दर्शन
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<?=AT220?> डेटा पत्रक पीडीएफ

AT220 pdf
AT-220 11/15/96 1:49 PM Page 2 (Black plate)
Digital Attenuator, 30 dB, 4-Bit
AT-220
V3.00
Absolute Maximum Ratings1
Parameter
Max. Input Power
50 MHz
500-2000 MHz
Control Voltage
Operating Temperature
Storage Temperature
Absolute Maximum
+27 dBm
+34 dBm
+5V, -8.5V
-40°C to +85°C
-65°C to +150°C
1. Operation of this device above any one of these parameters may
cause permanent damage.
Functional Schematic
RF1 GNDGND GND GND GND GND RF2
16 15 14 13 12 11 10 9
8 dB 4 dB
2 dB
1 dB
1 21 32 43 5 6 7 80
VC1 VC1 VC2 VC2 VC3 VC3 VC4 VC4
Pin Configuration
Pin Description
1 VC1
2 VC1
3 VC2
4 VC2
5 VC3
6 VC3
7 VC4
8 VC4
Pin No.
9
10
11
12
13
14
15
16
Description
RF2
GND
GND
GND
GND
GND
GND
RF1
Typical Performance
INSERTION LOSS vs FREQUENCY
3.0
+ 85˚C
2.0
Truth Table
Control Inputs
VC4 VC4 VC3 VC3 VC2 VC2 VC1 VC1 Attenuation
(dB)
1 0 1 0 1 0 1 0 Reference
01 10 1 010
2 dB
10 01 1 010
4 dB
10 10 0 110
8 dB
10 1 0 1 0 0 1
16 dB
01 01 0 101
30 dB
"0" = Vin Low, Vin Low = 0V, "1" = Vin High, Vin High = -5V
"0" = 0 to -0.2V @ 20A Max
"1" = -5V @ 10 A typ to -8V @ 200 A Max
ATTENUATION ACCURACY vs FREQUENCY
1.5
1
2 dB ATTEN
16 dB ATTEN
8 dB ATTEN
0.5
1.0 + 25˚C
- 40˚C
0
0 0.5 1.0 1.5
FREQUENCY (GHz)
2.0
0
-0.5
-1
-1.5
0.0
4 dB ATTEN
30 dB ATTEN
0.5 1.0 1.5
FREQUENCY (GHz)
2.0
VSWR vs FREQUENCY
2.0
1.8
4 dB ATTEN
1.6
16 dB ATTEN
2 dB ATTEN
1.4
1.2
1.0
0
INSERTION LOSS
8 dB ATTEN
0.5 1.0 1.5
FREQUENCY (GHz)
2.0
ATTENUATION vs FREQUENCY
0
-2
-4
-6
-8
-10
-12
-14
-16
-18
-20
-22
-24
-26
-28
-30
-32
0.0
0.5 1.0 1.5
FREQUENCY (GHz)
2.0
Specifications Subject to Change Without Notice.
2
North America: Tel. (800) 366-2266
Fax (800) 618-8883
s Asia/Pacific: Tel. +81 3 3263 8761
Fax +81 3 3263 8769
M/A-COM, Inc.
s Europe: Tel. +44 (1344) 869 595
Fax +44 (1344) 300 020

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डाउनलोड[ AT220 Datasheet.PDF ]


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