DEMO-MGA-231T6 Datasheet, PDF (3/15 Pages) Broadcom Corporation. – High-Gain GPS LNA with Variable Current and Shutdown Function

Electrical Specifications
T_A = 25°C, DC bias for RF parameters is as specified below. Freq=1.575GHz – Typical Performance^[1]
Table 1a. Performance table under nominal operating conditions (Vdd =2.85V, Vsd = 1.8V, Idd = 4mA, R2 = 8.2 kOhm)
Symbol
G
NF^[1]
IP1dB
IIP3^[3]
S11
S22
S12
Idd
Ish
Parameter and Test Condition
Units
Min.
Typ
Max.
Gain
dB
15.2
17.1
18.7
Noise Figure^[1]
dB
–
1.06
1.41
Input 1dB Compressed Power
dBm
–
-7.7
–
Input 3^rd Order Intercept Point (2-tone @ Fc +/- 2.5MHz)
dBm
–
0.2
–
Input Return Loss
dB
–
-10
–
Output Return Loss
dB
–
-10
–
Reverse Isolation
dB
–
-29
–
Supply DC current at Shutdown (SD) voltage Vsd=2.7V
mA
–
4
6.6
Shutdown Current @ VSD = 0V
uA
–
0.4
–
Table 1b. Performance table under nominal operating conditions (Vdd =1.8V, Vsd = 2.6V, Idd = 3.5mA, R2 = 8.2 kOhm)
Symbol
G
NF^[1]
IP1dB
IIP3^[3]
S11
S22
S12
Idd
Ish
Parameter and Test Condition
Units
Min.
Typ
Max.
Gain
dB
–
16.6
–
Noise Figure
dB
–
1.1
–
Input 1dB Compressed Power
dBm
–
-7.5
–
Input 3^rd Order Intercept Point (2-tone @ Fc +/- 2.5MHz)
dBm
–
0
–
Input Return Loss
dB
–
-10
–
Output Return Loss
dB
–
-10
–
Reverse Isolation
dB
–
-28
–
Supply DC current at Shutdown (SD) voltage Vsd=2.7V
mA
–
3.5
–
Shutdown Current @ VSD = 0V
uA
–
0.2
–
Table 1c. Performance table under nominal operating conditions (Vdd = Vsd = 2.7V, Idd = 6mA, R2 = 5.6 kOhm)
Symbol
Parameter and Test Condition
Units
Min.
Typ
Max.
G
Gain
dB
17.9
–
NF^[1]
Noise Figure
dB
–
1.0
IP1dB
Input 1dB Compressed Power
dBm
–
-5.9
–
IIP3^[3]
Input 3_rd Order Intercept Point (2-tone @ Fc +/- 2.5MHz)
dBm
–
+2.7
–
S11
Input Return Loss
dB
–
-11
–
S22
Output Return Loss
dB
–
-11
–
S12
Reverse Isolation
dB
–
-29
–
Idd
Supply DC current at Shutdown (SD) voltage Vsd=2.7V
mA
–
6
Ish
Shutdown Current @ VSD = 0V
uA
–
0.3
–
Notes:
1. NF is measured at DUT input leads with board loss deembedded.
2. Measurements at 1.575GHz obtained using demo board described in Figures 4.
3. 1.575GHz IIP3 test condition: F_RF1 = 1572.5 MHz, F_RF2 = 1577.5 MHz with input power of -20dBm per tone measured at the worst case side band.
3