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ALM-1812-TR1G

P1-P3P4-P6P7-P9P10-P12P13-P15
10
ALM-1812 Typical Scattering Parameters at 25°C, Vdd = 2.8V, Idd = 6.8mA
The S- and Noise Parameters are measured using a coplanar waveguide PCB with 10 mils Rogers
RO4350. Figure 27
shows the input and output reference planes. The circuit values are as indicated in Figure 6.
Freq
(GHz)
S11 S11 S21 S21 S12 S12 S22 S22
Mag. (dB) Ang. Mag. (dB) Ang. Mag. (dB) Ang. Mag. (dB) Ang.
0.05 -0.36 167.90 -70.91 179.43 -72.41 -33.51 -0.02 -1.13
0.1 -0.48 157.43 -73.83 90.22 -72.95 -44.37 -0.02 -2.30
0.2 -0.61 137.05 -75.70 -98.13 -76.85 143.01 -0.03 -4.72
0.3 -0.59 118.80 -79.52 144.78 -78.22 18.52 -0.03 -7.15
0.4 -0.56 102.02 -80.81 -93.44 -80.94 -96.45 -0.05 -9.58
0.5 -0.54 86.73 -80.23 173.99 -81.68 49.58 -0.07 -12.00
0.6 -0.51 72.90 -84.40 -139.64 -83.85 -22.49 -0.08 -14.49
0.7 -0.48 60.09 -80.13 31.21 -84.39 104.85 -0.10 -17.07
0.8 -0.47 48.25 -77.24 19.91 -82.49 140.19 -0.13 -19.77
0.8275 -0.46 45.13 -76.66 -1.05 -81.84 -26.77 -0.13 -20.53
0.9 -0.45 37.19 -74.69 -9.12 -80.63 159.19 -0.15 -22.57
1.0 -0.44 26.19 -72.60 -22.11 -83.78 49.06 -0.17 -25.01
1.1 -0.44 15.97 -71.50 -42.85 -83.42 164.49 -0.20 -27.52
1.2 -0.46 6.12 -71.18 -53.20 -84.42 -64.80 -0.23 -31.01
1.3 -0.51 -4.06 -70.88 -56.47 -84.53 28.25 -0.26 -34.89
1.4 -0.60 -16.54 -77.69 -86.33 -78.22 -127.64 -0.30 -40.11
1.5 -2.15 -39.74 -52.92 178.08 -71.88 -163.04 -1.14 -49.93
1.575 -12.00 -162.25 18.44 157.76 -30.80 116.58 -7.66 49.43
1.6 -0.95 56.36 -4.42 -5.83 -53.21 -47.84 -1.14 4.99
1.7 -0.51 -13.71 -77.00 -145.33 -80.55 -115.70 -0.32 -35.94
1.8 -0.57 -27.70 -76.26 -121.44 -78.53 -131.67 -0.33 -42.70
1.885 -0.60 -36.23 -84.37 147.81 -71.90 -132.40 -0.34 -46.60
1.9 -0.61 -37.61 -77.77 96.20 -72.22 -128.72 -0.34 -47.22
2.0 -0.66 -46.35 -62.56 48.44 -70.83 -128.36 -0.35 -51.19
2.1 -0.70 -54.49 -52.67 3.05 -67.29 -138.82 -0.35 -54.92
2.2 -0.70 -62.05 -49.53 -43.62 -64.95 -149.31 -0.36 -58.43
2.3 -0.69 -69.58 -49.33 -75.23 -63.28 -150.12 -0.36 -61.85
2.4 -0.69 -76.98 -49.47 -93.88 -62.60 -160.56 -0.36 -65.19
2.5 -0.69 -84.41 -49.34 -107.39 -61.30 -165.14 -0.37 -68.55
3.0 -0.71 -118.39 -48.63 -151.44 -56.60 176.28 -0.37 -83.99
3.5 -0.69 -150.17 -48.84 171.67 -53.14 154.09 -0.36 -98.92
4.0 -0.83 176.10 -54.58 125.18 -50.85 127.76 -0.41 -115.73
4.5 -1.07 145.32 -52.45 -42.92 -51.74 108.49 -0.49 -131.29
5.0 -1.37 108.52 -36.63 -103.59 -57.19 116.36 -0.71 -153.16
6.0 -3.36 39.77 -24.42 135.12 -42.94 124.29 -7.89 89.52
7.0 -1.25 -20.47 -39.38 -6.98 -53.09 139.34 -0.95 178.08
8.0 -1.50 -73.87 -32.30 82.78 -40.36 141.29 -0.96 135.38
9.0 -1.57 -129.61 -30.13 163.08 -27.18 86.19 -1.65 118.05
10.0 -2.49 -178.13 -22.11 54.31 -22.22 41.54 -2.73 71.53
11.0 -4.03 132.11 -18.89 -75.98 -20.13 -111.40 -3.60 82.03
12.0 -4.63 63.14 -29.16 -95.52 -35.45 -70.23 -2.13 53.32
13.0 -4.96 -64.89 -24.87 -131.78 -28.36 -120.38 -1.60 27.95
14.0 -3.23 -143.72 -24.81 158.49 -28.55 171.46 -2.11 -5.53
15.0 -3.78 131.84 -28.69 146.44 -29.29 160.75 -2.96 -34.59
16.0 -5.51 49.69 -21.18 55.22 -23.10 62.73 -4.57 -100.39
17.0 -10.35 174.02 -24.73 -68.32 -27.84 -66.54 -4.47 107.18
18.0 -4.30 89.47 -26.34 99.23 -26.72 92.85 -2.37 28.83
19.0 -5.60 49.69 -24.29 -38.15 -25.85 -43.76 -4.27 -29.69
20.0 -3.34 1.63 -21.00 178.45 -21.72 -176.08 -8.70 114.20
11
ALM-1812 Typical Scattering Parameters at 25°C, Vdd = 1.8V, Idd = 4mA
Freq
(GHz)
S11 S11 S21 S21 S12 S12 S22 S22
Mag. Ang. Mag. Ang. Mag. Ang. Mag. Ang.
0.05 -0.37 167.91 -70.39 -97.32 -69.97 -112.11 -0.02 -1.20
0.1 -0.49 157.48 -69.16 -138.73 -72.30 169.58 -0.02 -2.34
0.2 -0.62 137.11 -76.73 63.86 -73.74 -156.90 -0.03 -4.76
0.3 -0.60 118.84 -76.40 176.75 -78.51 129.65 -0.04 -7.16
0.4 -0.57 102.07 -79.44 149.69 -80.33 -109.07 -0.05 -9.57
0.5 -0.55 86.79 -82.26 -11.94 -78.34 -150.44 -0.07 -12.01
0.6 -0.52 72.98 -81.51 153.55 -82.35 -45.85 -0.09 -14.48
0.7 -0.49 60.16 -82.42 40.14 -85.39 163.19 -0.11 -17.06
0.8 -0.47 48.32 -81.13 4.95 -80.01 130.58 -0.13 -19.74
0.8275 -0.46 45.21 -80.98 20.28 -81.98 114.35 -0.14 -20.51
0.9 -0.46 37.27 -77.14 -3.31 -79.31 87.20 -0.15 -22.55
1.0 -0.44 26.28 -75.53 -6.38 -82.00 123.22 -0.18 -25.00
1.1 -0.44 16.08 -74.01 -31.95 -81.92 -13.35 -0.20 -27.48
1.2 -0.47 6.22 -75.82 -51.00 -86.49 -162.55 -0.23 -30.95
1.3 -0.51 -3.92 -74.62 -52.43 -82.08 -66.69 -0.26 -34.83
1.4 -0.60 -16.42 -78.94 -94.19 -78.84 -121.08 -0.31 -40.01
1.5 -2.07 -39.34 -54.42 173.14 -70.76 -152.73 -1.07 -49.72
1.575 -11.07 -146.67 16.10 157.09 -29.37 109.49 -6.41 52.69
1.6 -1.03 57.61 -6.09 -3.46 -51.01 -52.59 -1.20 4.51
1.7 -0.52 -13.37 -75.43 -141.27 -80.16 -92.38 -0.32 -35.70
1.8 -0.57 -27.52 -77.68 -133.47 -75.83 -134.34 -0.33 -42.55
1.885 -0.61 -36.04 -79.90 -164.72 -75.06 -137.96 -0.34 -46.47
1.9 -0.62 -37.42 -79.59 150.62 -73.21 -126.80 -0.34 -47.08
2.0 -0.67 -46.25 -65.59 57.67 -70.33 -133.91 -0.35 -51.03
2.1 -0.72 -54.30 -54.83 2.11 -67.29 -132.12 -0.36 -54.76
2.2 -0.71 -61.83 -51.92 -51.69 -64.81 -146.54 -0.36 -58.27
2.3 -0.70 -69.36 -52.25 -82.45 -63.37 -150.82 -0.37 -61.70
2.4 -0.70 -76.80 -52.26 -99.40 -62.01 -157.87 -0.37 -65.02
2.5 -0.70 -84.22 -51.91 -111.81 -61.19 -162.45 -0.37 -68.40
3.0 -0.72 -118.09 -50.59 -154.73 -56.43 176.99 -0.38 -83.94
3.5 -0.69 -149.84 -49.90 169.50 -53.05 153.40 -0.36 -98.87
4.0 -0.84 175.62 -53.88 123.13 -50.94 127.37 -0.41 -115.93
4.5 -1.08 145.43 -54.39 -10.94 -51.69 108.35 -0.49 -131.23
5.0 -1.37 108.81 -39.20 -100.13 -56.65 120.15 -0.73 -153.35
6.0 -3.23 43.37 -27.63 130.07 -43.36 116.78 -6.93 78.08
7.0 -1.29 -20.01 -42.97 -39.94 -53.04 143.68 -0.94 178.58
8.0 -1.58 -73.96 -37.01 61.20 -39.13 149.21 -1.03 135.81
9.0 -1.98 -129.44 -24.67 117.64 -27.12 69.33 -1.64 116.29
10.0 -2.39 -174.95 -20.63 41.58 -23.81 38.85 -2.93 71.46
11.0 -3.68 133.54 -19.84 -86.50 -23.10 -107.44 -3.54 83.40
12.0 -4.41 68.72 -29.61 -94.04 -34.87 -65.55 -2.20 54.36
13.0 -5.02 -56.19 -25.13 -126.95 -28.33 -111.80 -1.57 29.96
14.0 -3.16 -142.79 -24.93 161.15 -28.26 178.99 -2.04 -4.80
15.0 -3.76 133.45 -28.24 145.51 -28.54 162.38 -3.01 -34.28
16.0 -5.59 50.35 -21.00 54.18 -22.58 64.69 -4.55 -100.24
17.0 -10.67 179.81 -24.58 -71.53 -27.36 -63.53 -4.52 108.07
18.0 -4.41 91.57 -25.69 96.10 -26.34 92.52 -2.40 29.96
19.0 -5.90 52.36 -24.25 -42.63 -25.64 -45.43 -4.30 -28.21
20.0 -3.26 4.18 -21.63 177.14 -22.08 -177.16 -8.61 114.98
12
ALM-1812 Typical Noise Parameters at 25°C, Freq = 1.575 GHz,
Vdd = 2.8V, Idd = 6.8mA
Freq
(GHz)
Fmin
(dB)
GAMMA OPT
Mag Ang Rn/50
1.575 1.50 0.24 -99 0.19
ALM-1812 Typical Noise Parameters at 25°C, Freq = 1.575 GHz,
Vdd = 1.8V, Idd = 4mA
Freq
(GHz)
Fmin
(dB)
GAMMA OPT
Mag Ang Rn/50
1.575 1.52 0.24 -99 0.19
Notes:
• The exceptional noise  gure performance of the ALM-1812 is due to
its highly optimized design. In this regard, the Fmin of the ALM-1812
shown above is locked down by the internal input pre-match. This
allows the use of relatively inexpensive chip inductors for external
matching.
Part Number Ordering Information
Part Number Qty Container
ALM-1812-BLKG 100 Antistatic Bag
ALM-1812-TR1G 3000 13” Reel
Package Dimension
1812
YMXXXX
4.50±0.10
2.20±0.10
0.95±0.10
0.60
0.07
(all gaps)
1.1000
pitch
1.1000
pitch
0.4975-8x
0.8250-2x
pitch
0.35sq-12x
0.9875-6x
pitch
0.9875-8x
pitch
0.8250-4x
pitch
0.3350-4x
0.1000
0.1000
0.10-3x
PIN 1
0.70-3x
0.80-3x
TOP VIEW SIDE VIEW BOTTOM VIEW
Bottom Solder Mask
Note :
1. All dimensions are in milimeters
2. Dimensions are inclusive of plating
3. Dimensions are exclusive of mold flash and metal burr.
4. Y refer to year, M refer to month & XXXX refer to last 4 digit of lot number
P1-P3P4-P6P7-P9P10-P12P13-P15

ALM-1812-TR1G

Mfr. #:
Buy ALM-1812-TR1G
Manufacturer:
Broadcom / Avago
Description:
RF Front End GPS LNA with Filter
Lifecycle:
New from this manufacturer.
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