at65-0009 Tyco Electronics, at65-0009 Datasheet - Page 2

• Manufacturer Part Number: at65-0009
• Description: Voltage Variable Attenuator 824 - 960 Mhz
• Manufacturer: Tyco Electronics

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Voltage Variable Attenuator, 824 - 960 MHz
External Circuitry Parts
1. All external circuitry parts are readily available, low cost
2. See Application Note MA-C-05010008A for external tuning
Pin Configuration
Functional Diagram and
Bias Circuitry
surface mount components (.060 in. x .030 in. or .080 in.
x .050 in.).
capacitor values to suit specific Communication Bandwidths.
Insertion Loss will vary depending on tuning capacitor value
chosen.
Part
C5
C6
C1
C2
C3
C4
R1
RF IN
L1
L2
2
2
Pin #
1
2
3
4
5
C1
C5
PIN 1
GND
10 KOhm
L1
180 nH
180 nH
390 pF
390 pF
390 pF
390 pF
Value
1.5 pF
1.5 pF
C3
GND
V
B
R1
L2
C4
RFOUT, V
Function
GND
PIN 3
1
RFIN, V
Current Limiting
GND
GND
GND
C6
Purpose
RF Choke
RF Choke
DC Block
DC Block
RF Tune
RF Tune
By-pass
By-pass
C2
B
B
RF OUT
n
n
n
Recommended PCB Configuration
4. Exceeding any one or combination of these limits may
Absolute Maximum Ratings
3. Circuit Material = FR-4, TETRA II, 0.031 inches thick.
North America: Tel. [phone]
Europe: Tel. [phone], Fax[phone]
Asia/Pacific: Tel.[phone], Fax [phone]
cause permanent damage to this device.
Operating Temperature
Line Width = 0.025 inches, Line Spacing = 0.0056
inches.
Storage Temperature
Operating Voltage
Max Input Power
Parameter
Absolute Maximum
-65°C to +125°C
-40°C to +85°C
+27 dBm
AT65-0009
+5 V
4
V 2.00
3
2