10
Table 1
List 1 – Demo board component values for Demo board Schematic of Fig. 29.
These component values are used when measuring Electrical Specications and plots of Fig. 4 to Fig. 21.
List 2 – Demo Board Component values for Demo board Schematic of Fig. 29.
These component values are used while measuring plots of Fig. 22 to Fig. 24.
List 3 – Demo Board Component values for Demo board Schematic of Fig. 30.
These component values are used while measuring plots of Fig. 25 to Fig. 27.
List 4 – Demo Board Component values for Demo board Schematic of Figure 31.
Part Size List 1 (900 MHz Matching) List 2 (450 MHz Matching) List 3 (1.5 GHz Matching) List 4 (700MHz Matching)
L1 0402 13.0nH
(Coilcraft 0402CS-13NXJBW)
27.0nH
(Toko LL1005-FHL27NS)
4.7nH
(Toko LL1005-FHL4N7S)
15nH
(Toko LL1005-FHL15NS)
L2 0402 18.0nH
(Coilcraft 0402CS-18NXJBW)
27.0nH
(Toko LL1005-FHL27NS)
18.0nH
(Toko LL1005-FHL18NS)
15nH
(Toko LL1005-FHL15NS)
L3 0402 Not Placed Not Placed 6.8nH
(Toko LL1005-FHL6N8S)
Not Placed
C1 0402 2.4pF
(Rohm MCH155A024CK)
3.9pF
(Rohm MCH155A3R9JK)
1.5pF
(Rohm MCH155A1R5CK)
3pF
C2 0402 100pF
(Rohm MCH155A101JK)
100pF
(Rohm MCH155A101JK)
100pF
(Rohm MCH155A101JK)
2.2pF
(Rohm MCH155A2R2CK)
C3 0402 5.6pF
(Rohm MCH155A056CK)
5.6pF
(Rohm MCH155A5R6CK)
5.6pF
(Rohm MCH155A5R6CK)
2.2pF
(Rohm MCH155A4R7CK)
C4 0402 100pF
(Rohm MCH155A101JK)
100pF
(Rohm MCH155A101JK)
100pF
(Rohm MCH155A101JK)
33pF
C5 0402 0.1uF
(Kyocera CM05X5R104K10AH)
0.1uF
(Kyocera CM05X5R104K10AH)
0.1uF
(Kyocera CM05X5R104K10AH)
0.1uF
(Kyocera CM05X5R104K10AH)
C6 0402 9pF
(Rohm MCH155A090DK)
9.0pF
(Rohm MCH155A090DK)
9.0pF
(Rohm MCH155A090DK)
33pF
C7 0402 0.1uF
(Kyocera CM05X5R104K10AH)
0.1uF
(Kyocera CM05X5R104K10AH)
0.1uF
(Kyocera CM05X5R104K10AH)
0.1uF
(Kyocera CM05X5R104K10AH)
C8 10nF
R1 0402
91 :
(Rohm MCR01MZSJ910)
56 :
(Rohm MCR0 MZSJ560)
300 :
(Rohm MCR01MZSJ301)
100R
(Rohm MCR01MZS101)
R2 620R
(Rohm MCR01MZ621)
R3 56R
(Rohm MCR0MZSJ560)
Rbias 0402
620 :
(Rohm MCR01MZS621)
620
:
(Rohm MCR01MZS621)
620 :
(Rohm MCR01MZS621)
11
Input
RFgnd
Vbias
Gnd
Output
FB1
Bias
C7
C4
C1
L1
Rbias
C6
C5
Vbias
R1
1.41mm
0.40mm
1.44mm
C3
3.30mm
Load pull
Bias Tee
Vd
Dielectric: RO4350
Thickness: 0.254mm
The input port is matched for good NF and IRL. Because
of the high reverse isolation, any change on the output
port has a minimum change on the input port. Therefore,
only the output port is tuned for the maximum OIP3. R1
is varied for dierent level of gain Test condition for the
OIP3: -20dBm at 900MHz ±5MHz.
Load pull test set up
Figure 33. Test setup for load pull data
12
Measured results
Test condition: 4V/54mA, 900MHz
Refer to Table 1, List 1 for SMT component value and de-
scription, unless otherwise stated.
Resistor, R1
*
OIP3 (max)
91ohm 0.81 < 44.3o +39.0dBm
56ohm 0.65 <94.2o +34.2dBm
560ohm 0.38 < 85.2o +38.7dBm
Figure 34. Load pull contour plot for R1=91ohm

MGA-631P8-BLKG

Mfr. #:
Manufacturer:
Broadcom / Avago
Description:
RF JFET Transistors GaAs RFIC LNA
Lifecycle:
New from this manufacturer.
Delivery:
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