參數(shù)資料
型號(hào)： AA226-87
廠商： Alpha Industries, Inc.
英文描述： GaAs IC 4 Bit Digital Attenuator 1 dB LSB Positive Control 0.5-2.5 GHz
中文描述： 砷化鎵集成電路4位數(shù)字衰減器1分貝LSB的陽性對(duì)照0.5-2.5千兆赫
文件頁數(shù)： 5/5頁
文件大?。?/td> 329K
代理商： AA226-87
Alpha Industries, Inc.
[781] 935-5150
Fax
[617] 824-4579
Email
sales@alphaind.com
www.alphaind.com
Specifications subject to change without notice. 9/00A
5
GaAs IC 4 Bit Digital Attenuator 1 dB LSB Positive Control 0.5
–
2.5 GHz
AA226-87
I
Attenuation (dB)
IP3 vs. Attenuation and
Temperature (500 MHz)
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
46
47
48
49
50
51
52
53
54
55
56
+25
C
+85
C
-40
C
Compression Point vs. Attenuation,
Voltage, and Temperature
Truth Table
V
1
8 dB
V
High
V
High
V
High
V
High
0
0
V
2
4 dB
V
High
V
High
V
High
0
V
High
0
V
3
2 dB
V
High
V
High
0
V
High
V
High
0
V
4
1 dB
V
High
0
V
High
V
High
V
High
0
Attenuation
J
1
–
J
2
Reference I.L.
1 dB
2 dB
4 dB
8 dB
15 dB Max. Atten.
1
2
3
4
5
6
8
1
1
1
1
1
1
9
7
1
8 dB
4 dB
2 dB
1 dB
GND
GND
V
4
V
3
V
2
J
1
GND
GND
GND
GND
GND
GND
GND
GND
V
1
J
2
C
BL
C
BL
V
S
10 k
Pin Out
V
High
= +3 to +5 V (V
S
= V
High
± 0.2 V).
Characteristic
Value
RF Input Power
1 W > 500 MHz 0/8 V
0.5 W @ 50 MHz 0/8 V
Supply Voltage
Control Voltage
Operating Temperature
+8 V
-0.2 V, +8 V
-40
°
C to +85
°
C
Storage Temperature
-65
°
C to +150
°
C
Absolute Maximum Ratings
Note: Exceeding these parameters may cause irreversible damage.
DC blocking capacitors (C
) and biasing resistor must be supplied externally
for positive voltage operation.
C
BL
= 47 pF for operation >500 MHz.
Attenuation
State
Ins. Loss
Control
Voltage (V)+25
°
C (dBm) +85
°
C (dBm) -40
°
C (dBm)
3
24.5
Input Power @ 1 dB Compression
24.1
24.6
1 dB
3
25.2
24.8
25.2
2 dB
3
25.0
24.3
24.9
4 dB
3
31.2
30.4
32.8
8 dB
3
28.3
26.3
29.2
15 dB
3
26.6
24.8
27.5
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