HMC770LP4BE Datasheet, PDF (7/14 Pages) Hittite Microwave Corporation – GaAs pHEMT 50 / 75 Ohm DIFFERENTIAL AMPLIFIER, 0.04 - 1 GHz

v00.0909
HMC770LP4BE
GaAs pHEMT 50 / 75 Ohm
DIFFERENTIAL AMPLIFIER, 0.04 - 1 GHz
75 Ohm Data
9
Return Loss vs. Rbias
0
-5
-10
S11
-15
Rbias =1.5k Ohms
Rbias =600 Ohms
Rbias =200 Ohms
-20
-25
S22
-30
0
0.2
0.4
0.6
0.8
1
FREQUENCY (GHz)
Noise Figure vs. Temperature ^[1]
8
+25C
6
+85C
-40C
4
Noise Figure vs. Temperature for Low
Frequencies ^[1][2]
8
6
+25C
+85C
-40C
4
2
2
0
0
0.2
0.4
0.6
0.8
1
FREQUENCY (GHz)
0
0
25 50 75 100 125 150 175 200
FREQUENCY (MHz)
9 - 206
Noise Figure vs. Vdd ^[1]
8
4.5V
6
5.0V
5.5V
4
Noise Figure vs. Vcc for Low Frequencies ^[1][2]
8
4.5V
6
5.0V
5.5V
4
2
2
0
0
0.2
0.4
0.6
0.8
1
FREQUENCY (GHz)
0
0
25 50 75 100 125 150 175 200
FREQUENCY (MHz)
[1] Rbias=R1=200 Ohms. See application circuit.
[2] See application circuit for the tune for low frequencies.
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