HMC770LP4BE Datasheet, PDF (3/14 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
50 Ohm Data
9
Return Loss vs. Rbias
0
-5
Rbias = 1.5k Ohms
Rbias = 600 Ohms
Rbias = 200 Ohms
S22
-10
-15
-20
S11
-25
-30
0
0.2
0.4
0.6
0.8
1
FREQUENCY (GHz)
Isolation vs. Rbias
0
-5
-10
-15
Rbias = 1.5k Ohms
Rbias = 600 Ohms
Rbias = 200 Ohms
-20
-25
-30
0
0.2
0.4
0.6
0.8
1
FREQUENCY (GHz)
Noise Figure vs. Temperature ^[1]
8
6
+25C
+85C
-40C
4
Noise Figure vs. Temperature for Low
Frequencies ^[1][2]
8
+25C
6
+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 - 202
Noise Figure vs. Vdd ^[1]
8
4.5V
6
5.0V
5.5V
4
Noise Figure vs. Vcc for Low Frequencies ^[1][2]
8
6
4.5V
5.0V
5.5V
4
2
2
0
0
0.2
0.4
0.6
0.8
1
FREQUENCY (GHz)
[1] Rbias=R1=200 Ohms. See application circuit.
[2] See application circuit for the tune for low frequencies.
0
0
25 50 75 100 125 150 175 200
FREQUENCY (MHz)
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