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AF002C1-39 PDF даташит

Спецификация AF002C1-39 изготовлена ​​​​«Alpha Industries» и имеет функцию, называемую «GaAs IC Control FET Series DC-2.5 GHz».

Детали детали

Номер произв AF002C1-39
Описание GaAs IC Control FET Series DC-2.5 GHz
Производители Alpha Industries
логотип Alpha Industries логотип 

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AF002C1-39 Даташит, Описание, Даташиты
GaAs IC Control FET Series
DC–2.5 GHz
Features
s Low Cost SOT-23 Package
s Series or Shunt Configuration
s Low DC Current Drain
s Ideal Switch Building Blocks
s Pin Diode Replacements
s High Power Antenna Switches
Description
This group of GaAs control FETs can be used in both
series and shunt configurations. They incorporate on-chip
circuitry that eliminates the need for extra bias
components and minimizes power drain to typically 25 µW.
These features make the device ideal replacements for
PIN diodes, where low DC drain is critical.
Isolation performance degrades at higher frequencies due
to package parasitics. They can be tuned out in narrow
band applications as shown in the circuit examples on the
following pages.
AF002C1-39, AF002C4-39
SOT-23
0.120 (3.05 mm)
0.110 (2.79 mm)
0.018 (0.45 mm)
3 0.015 (0.38 mm)
0.055 (1.40 mm)
0.047 (1.19 mm)
0.104 (2.64 mm)
0.083 (2.10 mm)
0.024 (0.61 mm)
0.018 (0.45 mm)
1
0.080 (2.03 mm)
0.070 (1.78 mm)
2
0.040 (1.02 mm)
0.037 (0.94 mm)
0.007 (0.18 mm)
0.003 (0.08 mm)
0.004 (0.10 mm)
0.027 (0.69 mm) REF. 0.0005 (0.01 mm)
0.045
(1.14 mm)
0.035
(0.89 mm)
Electrical Specifications at 25°C (0, -5 V)
Part Number1
AF002C1-39
AF002C4-39
Frequency2
(GHz)
DC–0.5 GHz
DC–1.0 GHz
DC–2.5 GHz
DC–0.5 GHz
DC–1.0 GHz
DC–2.5 GHz
RON (Ω)3
Typ.
Max.
6.4 9.0
6.4 9.0
6.4 9.0
0.8 1.1
0.8 1.1
0.8 1.1
Insertion Loss (dB)4,5
Series
Shunt
0.50 0.10
0.60 0.15
0.70 0.20
0.20 0.15
0.25 0.25
0.30 2.00
COFF (pF)6
Typ. Max.
0.13 0.25
0.13 0.25
0.13 0.25
1.10 1.50
1.10 1.50
1.10 1.5
Isolation (db)5
Series Shunt
25 12
17 8
13 3
11 15
69
34
P-1 dB (W)
Typ.
0.5
1.0
1.0
6
10
10
Operating Characteristics at 25°C (0, -5 V)
Parameter
Condition
Frequency
Switching Characteristics
Rise, Fall (10/90% or 90/10% RF)
On, Off (50% CTL to 90/10% RF)
Control Voltages
VLow = 0 to -0.2 V @ 20 µA Max.
VHigh = -5 V @ 50 µA to -9 V @ 200 µA Max.
1. All measurements made in a 50 system, unless otherwise specified.
2. DC = 300 kHz.
3. RON - resistance in in low impedance state when “0” V is applied to Gate (G).
4. Insertion loss changes by 0.003 dB/°C.
5. Insertion loss and isolation typical values.
6. COFF - capacitance (pF) in high impedance state when -5 V is applied to Gate (G).
Min.
Typ.
6
12
Max.
Unit
ns
ns
Alpha Industries, Inc. [781] 935-5150 Fax [617] 824-4579 Email [email protected] www.alphaind.com
Specifications subject to change without notice. 3/99A
1









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AF002C1-39 Даташит, Описание, Даташиты
GaAs IC Control FET Series DC–2.5 GHz
Typical Performance Data (0, -5 V)
0.8
0.7
0.6
C1
0.5
0.4
0.3
0.2
C4
0.1
0
0 0.5 1 1.5 2 2.5 3
Frequency (GHz)
Insertion Loss vs. Frequency
Series Configuration
0.8
0.7
0.6
0.5
0.4
0.3 C4
0.2
0.1
C1
0
0 0.5 1 1.5 2 2.5 3
Frequency (GHz)
Insertion Loss vs. Frequency
Shunt Configuration
Absolute Maximum Ratings
AF002C1-39
Characteristic
Value
RF Input Power
2 W > 500 MHz 0/-8 V
0.5 W @ 50 MHz 0/-8 V
Control Voltage
+0.2 V, -10 V
Operating Temperature
-40°C to +85°C
Storage Temperature
-65°C to +150°C
ΘJC 25°C/W
Note: Exceeding these parameters may cause irreversible damage.
AF002C1-39, AF002C4-39
50
45
40
35
30
25
20
15
10 C4
5
C1
0
0 0.5 1 1.5 2 2.5 3
Frequency (GHz)
Isolation vs. Frequency
Series Configuration
30
25
20
C4
15
10 C1
5
0
0 0.5 1 1.5 2 2.5 3
Frequency (GHz)
Isolation vs. Frequency
Shunt Configuration
AF002C4-39
Characteristic
RF Input Power
Control Voltage
Operating Temperature
Storage Temperature
ΘJC
Value
12 W > 450 MHz, 0/-12 V
+0.2, -12 V
-40°C to +85°C
-65°C to +150°C
25°C/W
2 Alpha Industries, Inc. [781] 935-5150 Fax [617] 824-4579 Email [email protected] www.alphaind.com
Specifications subject to change without notice. 3/99A









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AF002C1-39 Даташит, Описание, Даташиты
GaAs IC Control FET Series DC–2.5 GHz
AF002C1-39, AF002C4-39
T/R and Antenna Changeover Switch for Mobile Cellular Systems
Mobile
Antenna
Phone
Antenna
Diplexer
LNA PA
T/R Switch
Disconnect
Changeover
Switch
From Transmitter
To Receiver
T/R Switch Schematic
LT (nH)
Antenna
D
TX
S
λ/4
GaAs FET
AF002C
Series
VCTL
G
10 k
G
T/R Switch
System Block Diagram
Changeover Switch Schematic
Antenna
RX
C (pF)
D
GaAs FET
AF002C
S Series
CT D S
G
To T/R Switch
VCTL
Truth Table for T/R Switch
VCTL (V)
0
TX to Antenna
Low Loss
-5 High Isolation
See next page for positive voltage operation.
RX to Antenna
High Isolation
Low Loss
Component Values for T/R Switch Circuit
Part Number
AF002C1-39
AF002C4-39
AF002C1-39
AF002C4-39
LT (nH)
165
85
44
22
CT (pF)
18.8
18.8
4.7
4.7
Freq. (GHz)
0.45
0.45
0.90
0.90
Truth Table for Changeover Switch
VCTL (V)
-5
0
See next page for positive voltage operation.
Antenna
Connected
Isolated
Alpha Industries, Inc. [781] 935-5150 Fax [617] 824-4579 Email [email protected] www.alphaind.com
Specifications subject to change without notice. 3/99A
3










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