am55-0004 Tyco Electronics, am55-0004 Datasheet - Page 8

• Manufacturer Part Number: am55-0004
• Description: Linear Power Amplifier Switch
• Manufacturer: Tyco Electronics

In order to prevent transients which may damage the MMIC, please adhere to the following procedure.
AM55-0004SMB Biasing Procedure
Evaluation PCB and RF Connector Losses
The DC connector on the Designer’s Kit PCB allows selection of all the device’s operating modes.
It is accomplished by one or more of the following methods:
Specifications Subject to Change Without Notice
M/A-COM Inc.
• Turn on all power supplies and set all voltages to 0 volts BEFORE connecting the power supplies to the
• Apply -4.0 volt supply or GND to DC connector pin 9 (VSW, see truth table for desired mode).
• Apply -4.0 volt supply or GND to DC connector pin 13 (VSW, see truth table for desired mode).
• Apply a -4.0 volt supply to the DC connector pin 16 (V
• Apply a -4.0 volt supply to the DC connector pin 18 (V
• Apply a +4.8 volt supply to the DC connector pin 2 (V
• Apply a +4.8 volt supply to the DC connector pin 20 (V
• Apply GND to DC connector pin 5 (Save Tx).
• Adjust V
• Adjust V
• Change voltage on DC connector pin 5 as required (Save Tx, see truth table for desired mode).
• Apply RF power and test.
• To power off, reverse above procedure
Port Reference
1. A mating female multi-pin connector (Newark Electronics
2. Wires soldered to the necessary pins (not included)
3. Clip leads (not included)
4. A combination of clip leads or wires and jumpers
DC connector.
ANT IN/OUT
Stock # 46F-4658, not included)
(jumpers included as required)
PA OUT
Rx OUT
PA IN
Tx IN
1. Set V
2. Set V
3. Set control voltage supplies to 0 V.
4. Disconnect bias lines from DC connector.
5. Turn off power supplies.
G1
G2
supply for desired V
supply for desired V
G1
DD1
& V
& V
G2
DD2
to -4 V.
1011 Pawtucket Boulevard, Lowell, MA 01853 USA
to 0 V.
Estimated Loss (dB)
DD1
DD2
0.15
0.20
0.20
0.20
0.20
quiescent current (typically 65 mA).
quiescent current (typically 30 mA).
8
DD1
G1
G2
DD2
).
).
).
).
Telephone: [phone]
V 2.00