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MGA-655T6-TR1G

P1-P3P4-P6P7-P9P10-P12P13-P14
7
Bypass Mode Plots (3.5 GHz match) (V
dd
= 3 V; V
bypass
= 0 V)
Figure 14. Bypass mode S21, S11, S22, S12 vs. frequency
Figure 16. Bypass mode IIP3 vs. frequency vs. temperature
Figure 15. Bypass mode loss vs. frequency vs. temperature
-0.5
-2.5
-4.5
-6.5
-8.5
3.0 3.2 3.4 3.6 3.8 4.0
FREQUENCY
(GHz)
LOSS (dB)
-40°C
25°C
85°C
40
30
20
10
5
15
25
35
0
3.0 3.2 3.4 3.6 3.8 4.0
FREQUENCY
(GHz)
IIP3 (dBm)
-40°C
25°C
85°C
Figure 17. Bypass mode IIP3 vs. input power
25
15
20
10
5
0
-20 -15 -10 -5 0 5
Pin
(dBm)
IIP3 (dBm)
S12
S21
S11
S22
FREQUENCY (GHz)
8
Test Circuit for S Parameters Measurement
*PCB material is 10 mils Rogers RO4850.
Notes:
1. L2 and C2 form the output matching network.
2. R1&L3 is a network that isolates the measurement demoboard from
external disturbances. C4 migrate the effect of external noise pickup
on the V
dd
and V
bypass
lines. These components are not required in
actual operation.
3. C3 is a RF bypass capacitor.
Figure 18. S parameters test circuit on demo board
Part Size Value P/N
L2 0402 1.0 nH LLP1005Series (TOKO)
L3 0402 10.0 nH LLP1005 Series (TOKO)
R1 0402 5.1 ohm MCR Series (Rohm)
C2 0402 4.7 pF C1005C0G1H4R7C (TDK)
C3 0402 4.7 pF C1005C0G1H4R7C (TDK)
C4 0402 0.1 uF MCH155 Series (Rohm)
9
MGA-655T6 LNA Mode Typical Scattering Parameters at 25qC, V
dd
= 3 V; V
bypass
= 2.7 V
Freq. (GHz) MagS11 AngS11 MagS21 AngS21 MagS12 AngS12 MagS22 AngS22
0.1 0.99 -4.82 0.18 -54.73 0.00 77.31 0.99 -20.98
0.3 0.98 -14.42 0.76 -83.55 0.00 23.69 0.95 -60.34
0.5 0.96 -23.81 1.46 -102.99 0.00 151.21 0.88 -92.87
0.7 0.94 -32.62 2.20 -121.88 0.00 143.03 0.80 -119.52
0.9 0.92 -41.29 2.82 -140.82 0.00 135.98 0.70 -140.63
1.1 0.89 -49.96 3.47 -159.52 0.01 128.42 0.58 -159.80
1.3 0.86 -57.98 3.92 -179.83 0.01 126.33 0.42 -174.01
1.5 0.82 -65.62 4.00 160.17 0.01 111.41 0.26 -172.61
1.7 0.79 -72.45 3.65 138.96 0.01 92.17 0.23 -132.69
1.9 0.75 -78.10 2.89 123.85 0.01 81.46 0.39 -127.32
2.1 0.73 -81.96 1.97 118.21 0.01 75.86 0.54 -139.26
2.3 0.73 -85.91 1.50 143.58 0.01 95.80 0.65 -160.85
2.5 0.74 -91.52 2.32 158.05 0.01 116.62 0.65 174.95
2.7 0.74 -98.87 3.47 150.47 0.02 120.27 0.61 146.38
2.9 0.73 -107.65 4.42 132.71 0.03 107.58 0.49 114.20
3.1 0.68 -116.58 4.87 114.06 0.04 89.55 0.36 78.57
3.3 0.61 -124.52 4.96 97.21 0.05 76.76 0.28 40.12
3.5 0.55 -132.98 4.83 82.27 0.05 66.58 0.24 2.25
3.7 0.49 -141.40 4.63 68.74 0.05 55.35 0.24 -26.25
3.9 0.43 -151.13 4.43 55.98 0.05 46.06 0.24 -47.04
4.1 0.38 -162.66 4.23 42.61 0.05 39.66 0.21 -62.70
4.3 0.32 -175.73 3.93 25.12 0.04 38.84 0.13 -58.34
4.5 0.24 -178.79 2.73 -2.09 0.04 56.68 0.30 -7.47
4.7 0.31 -175.14 1.56 31.48 0.06 40.04 0.55 -51.67
4.9 0.36 169.19 2.18 32.22 0.06 23.95 0.54 -76.97
5.1 0.38 158.40 2.31 23.56 0.06 16.88 0.51 -91.54
5.3 0.41 150.23 2.28 15.38 0.06 10.31 0.50 -101.47
5.5 0.43 144.80 2.20 8.28 0.06 6.63 0.51 -110.21
5.7 0.45 140.98 2.11 1.99 0.06 1.99 0.51 -117.67
5.9 0.47 138.93 2.00 -3.58 0.05 -1.49 0.52 -125.32
6 0.48 138.24 1.96 -6.31 0.05 -2.33 0.53 -128.66
P1-P3P4-P6P7-P9P10-P12P13-P14

MGA-655T6-TR1G

Mfr. #:
Buy MGA-655T6-TR1G
Manufacturer:
Broadcom / Avago
Description:
RF Amplifier LNA for WiMax
Lifecycle:
New from this manufacturer.
Delivery:
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