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PDF HMC668LP3E Data sheet ( Hoja de datos )
| Número de pieza | HMC668LP3E | |
| Descripción | SMT LNA W/ Failsafe Bypass Mode | |
| Fabricantes | Hittite Microwave Corporation | |
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HMC668LP3 / 668LP3E
v01.0808
GaAs PHEMT MMIC LNA w/
FAILSAFE BYPASS MODE, 700 - 1200 MHz
5
Typical Applications
The HMC668LP3(E) is ideal for:
• Cellular/3G and LTE/WiMAX/4G
• BTS & Infrastructure
• Repeaters and Femtocells
• Tower Mounted Amplifiers
• Test & Measurement Equipment
Functional Diagram
Features
Noise Figure: 0.9 dB
Output IP3: +33 dBm
Gain: 16 dB
Failsafe Operation:
Bypass is enabled when LNA is unpowered
Single Supply: +3V or +5V
16 Lead 3x3mm QFN Package: 9 mm2
General Description
The HMC668LP3(E) is a versatile, high dynamic range
GaAs MMIC Low Noise Amplifier that integrates a low
loss LNA bypass mode on the IC. The amplifier is ide-
al for receivers and LNA modules operating between
0.7 and 1.2 GHz and provides 0.9 dB noise figure,
16 dB of gain and +33 dBm IP3 from a single supply
of +5V @ 57mA. Input and output return losses are
excellent and no external matching components are
required. A single control line is used to switch be-
tween LNA mode and a low loss bypass mode. The
failsafe topology enables the LNA bypass path, when
no DC power is available.
5 - 274
Electrical Specifications, TA = +25° C, Rbias = 0 Ohm
Parameter
LNA Mode
Vdd = +3V
Vdd = +5V
Bypass Mode
Failsafe Mode
Units
Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Min. Typ. Max.
Frequency Range
0.7 - 1.2
0.7 - 1.2
0.7 - 1.2
0.7 - 1.2
GHz
Gain
12 15
13 16
-2.5 -1.5
Gain Variation Over Temperature
0.03
0.016
0.0008
Noise Figure
0.85 1.1
0.9 1.1
-2.5 -1.5
0.0008
dB
dB / °C
dB
Input Return Loss
Output Return Loss
12 13 12 12 dB
13 14 13 13 dB
Reverse Isolation
22 23
-
- dB
Power for 1dB Compression
(P1dB)[1]
13 13 22 24 dBm
Third Order Intercept (IP3)[2]
27
33
26
26 dBm
Supply Current (Idd)
Switching Speed (90% -10%)
LNA Mode to Bypass Mode
Bypass Mode to LNA Mode
32 40
85
57 70
85
0.05
200
- mA
- ns
ns
[1] P1dB for LNA Mode is referenced to RFOUT while P1dB for Bypass and Failsafe Modes are referenced to RFIN.
[2] IP3 for LNA Mode is referenced to RFOUT while IP3 for Bypass and Failsafe Modes are referenced to RFIN.
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  
www.DataSheet4U.com
v01.0808
HMC668LP3 / 668LP3E
GaAs PHEMT MMIC LNA w/
FAILSAFE BYPASS MODE, 700 - 1200 MHz
5 Failsafe Mode -
Broadband Gain & Return Loss
0
-2
-4
-6 S21
-8
S11
S22
-10
-12
-14
-16
-18
-20
0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8
FREQUENCY (GHz)
2
Failsafe Mode -
Input IP3 vs. Output Power @ 900 MHz
40
35
+25C
+85C
-40C
30
25
20
15
-10
-5
05
Pout (dBm)
10 15
Failsafe Mode - Input IP3 vs.
Temperature, Output Power @ 5 dBm
36
32
+25C
+85C
-40C
28
24
20
16
0.6 0.7 0.8 0.9 1 1.1 1.2 1.3
FREQUENCY (GHz)
Failsafe Mode -
Insertion Loss vs. Temperature
0
-1
-2
-3
+25C
+85C
-40C
-4
-5
0.6 0.7 0.8 0.9 1 1.1 1.2 1.3
FREQUENCY (GHz)
Failsafe Mode -
Input Return Loss vs. Temperature
0
-5
+25C
+85C
-40C
-10
-15
-20
0.6 0.7 0.8 0.9 1 1.1 1.2 1.3
FREQUENCY (GHz)
Failsafe Mode -
Output Return Loss vs. Temperature
0
+25C
-5 +85C
-40C
-10
-15
-20
-25
0.6 0.7 0.8 0.9 1 1.1 1.2 1.3
FREQUENCY (GHz)
5 - 278
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
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet HMC668LP3E.PDF ] | |
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