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PDF HMC920LP5E Data sheet ( Hoja de datos )
| Número de pieza | HMC920LP5E | |
| Descripción | ACTIVE BIAS CONTROLLER | |
| Fabricantes | Hittite Microwave | |
| Logotipo |  |
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HMC920LP5Ewww.DataSheet4U.com
ACTIVE BIAS CONTROLLER
13
Features
• Single Positive Voltage Supply (5V to 16.5V)
• Adjustable Drain Voltage 3V to 15V
• Adjustable Drain Current up to 500mA
• Internal Negative Voltage Generator
• Active Bias Current Regulation
• Stable Bias Current Over Temperature and
Process Variation and Aging
• Short Circuit Protection (Power Foldback)
• Adjustable Over/Under-Current Alarm
• Adjustable Low Vdd Voltage Alarm
• Automated Power-up Sequencing
• Enable Input for Active Bias Control
• Trigger-out Output for Daisy Chain Power-Up
and Power-Down Sequencing
Typical Applications
• Cellular Base Station
• Wireless Infrastructure Equipment
• Microwave Radio & VSAT
• Military & Space
• Test Instrumentation
Functional Diagram
13 - 1
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
1 page  
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HMC920LP5Ewww.DataSheet4U.com
ACTIVE BIAS CONTROLLER
VDRAIN Load Transient
VDOCC Load Transient
6V A 6V A
0mA
13
20 us/div
A VDRAIN, 500 mV/div
B IDRAIN, 100 mA/div
VDIG Load Transient
3.5V
B 0mA
20 us/div
A LDOCC, 200 mV/div
B IDRAIN, 100 mA/div
VNEG Load Transient
-2.5V
A
B
A
0mA
500 us/div
A VDIG, 50 mV/div
B IDIG, 20 mA/div
Power Up Waveform
0V
0V
0V
B 0mA
A
B
1 ms/div
VNEG, 50 mV/div
INEG, 5 mA/div
Power Down Waveform
AA
BB
C
C
DD
5 ms/div
A Vdd, 5V/div
B VDRAIN, 5V/div
C VGATE, 1V/div
D VNEG, 1V/div
10 ms/div
A Vdd, 5V/div
B VDRAIN, 5V/div
C VGATE, 1V/div
D VNEG, 1V/div
13 - 5
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
B
0V
0V
0V
5 Page 
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Application Circuit
HMC920LP5Ewww.DataSheet4U.com
ACTIVE BIAS CONTROLLER
13
Notes:
[1] A variable resistor is assembled on R19 slot to adjust bias current for evaluating various different amplifiers without
soldering.
[2] A variable resistor is assembled on R10 slot to adjust VDRAIN voltage for evaluating various different amplifiers
without soldering.
[3] SW2’s function is to ENABLE and DISABLE the “Active Bias Control” function of the HMC920LP5E.
13 - 11
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 Page | ||
| Páginas | Total 24 Páginas | |
| PDF Descargar | [ Datasheet HMC920LP5E.PDF ] | |
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