AF002N2-32 [ALPHA]
GaAs IC 15 dB Voltage Variable Attenuator Single Control DC-2 GHz; 砷化镓IC 15 dB电压可变衰减器单一控制DC- 2 GHz的
| 型号： | AF002N2-32 |
| 厂家： | 
ALPHA INDUSTRIES |
| 描述： | GaAs IC 15 dB Voltage Variable Attenuator Single Control DC-2 GHz |
| 文件： | 总2页 (文件大小：26K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
GaAs IC 15 dB Voltage Variable
Attenuator Single Control DC–2 GHz
AF002N2-32
Features
■ Single Voltage Control, Positive or
Negative Voltage
SOT-143
0.120 (3.05 mm)
0.105 (2.67 mm)
0.075
(1.91 mm)
■ Low Cost SOT-143 Package
■ 15 dB Dynamic Range
■ Non-Reflective
0.055 (1.40 mm)
0.047 1.19 mm)
0.098 (2.49 mm)
0.083 (2.11 mm)
0.021 (0.53 mm)
0.015 (0.38 mm)
0.037 (0.94 mm)
0.030 (0.76 mm)
Description
0.006 (0.15 mm)
0.003 (0.08 mm)
The AF002N2-32 is a single control non-reflective IC FET
VVA ideal for AGC applications. Its low DC drain
characteristic and size make it suitable for PCS and
portable cellular markets. A positive control voltage may
0.035 (0.89 mm)
8˚0’ MAX.
0.010
(0.25 mm)
0.005 (0.13 mm)
0.004 (0.19 mm)
0.001 (0.03 mm)
be used by adding 2 DC blocking capacitors (C ) and
BL
1 bypass capacitor (C ).
BP
Electrical Specifications at 25°C (0, -5 V)
1
2
Parameter
Frequency
Min.
Typ.
Max.
Unit
3
Insertion Loss (V = -5 V)
DC–0.5 GHz
DC–1.0 GHz
DC–2.0 GHz
3.1
3.3
3.5
3.3
3.5
3.8
dB
dB
dB
1
Attenuation (V = 0 V)
DC–0.5 GHz
DC–1.0 GHz
DC–2.0 GHz
18
14
10
20
16
12
dB
dB
dB
1
VSWR (V = 0 to -5 V)
DC–2.0 GHz
2.0:1
2.2:1
1
Operating Characteristics at 25°C (0, -5 V)
Parameter
Condition
Frequency
Min.
Typ.
Max.
Unit
4
Switching Characteristics
Rise, Fall (10/90% or 90/10% RF)
On, Off (50% CTL to 90/10% RF)
Video Feedthru
7
10
20
ns
ns
mV
Input Power for 1 dB Compression
Control Voltages
For All Attenuation Levels
0.05 GHz
0.90 GHz
-3
0
dBm
dBm
V
V
V
= 0 to -0.2 V @ 20 µA Max.
= -5 V @ 50 µA Max. to -8 V @ 200 µA Max.
Low
High
= V
± 0.2 V
S
High
1. All measurements made in a 50 Ω system, unless otherwise specified.
2. DC = 300 kHz.
3. Insertion loss changes by 0.003 dB/°C.
4.Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth.
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com
1
Specifications subject to change without notice. 3/99A
GaAs IC 15 dB Voltage Variable Attenuator Single Control DC–2 GHz
AF002N2-32
Typical Performance Data (0, -5 V)
F = 500 MHz
-5
-4
-3
5
4
3
+85˚C
-40˚C
2
1
-2
-1
0
DC
1
2
3
6
9
12
15
18
21
Attenuation (dB)
Frequency (GHz)
Insertion Loss vs. Frequency
Attenuation vs. Control Voltage
40
35
30
25
Absolute Maximum Ratings
Characteristic
Value
RF Input Power
10 mW > 500 MHz 0/-8 V
4 mW @ 50 MHz 0/-8 V
Control Voltage
+0.2 V, -10 V
-40°C to +85°C
-65°C to +150°C
25°C/W
Operating Temperature
Storage Temperature
Two Tone Testing
at 70 and 71 MHz
PIN = 0 dBm
Θ
20
15
JC
Note: Operating this device above any of these parameters may cause
irreversible damage.
3
6
9
12
15
18
21
Attenuation (dB)
Pin Out
Attenuation vs. IP3
J1
J2
CBL
CBL
4
3
Truth Table
Negative Voltage Operation
V
Attenuation J –J
1
1
2
-5
0
Insertion Loss
1
2
Full Attenuation
VS
V1
Positive Voltage Operation
10 kΩ
CBP
GND
V
Attenuation J –J
1
1
2
V
Full Attenuation
Insertion Loss
High
External components for positive voltage operation only.
CBL = 100 pF.
0
VHigh = +5 V to +8 V (VS = VHigh ± 0.2 V).
Optimum Tuning for Maximum Attenuation
F (MHz)
C
BP
Typical Maximum Attenuation
130
220 pF
15 pF
21
21
21
730
1925
1.6 pF
2
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com
Specifications subject to change without notice. 3/99A
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