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PDF KGF1254B Data sheet ( Hoja de datos )
| Número de pieza | KGF1254B | |
| Descripción | Medium-Power Amplifier | |
| Fabricantes | OKI electronic componets | |
| Logotipo |  |
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E2Q0023-38-71
This version: Jul. 1998
Previous version: Jan. 1998
¡ electronic components¡ electronic components
KGF1254B/1254
KGF1254B/1254
Medium-Power Amplifier
GENERAL DESCRIPTION
The KGF1254B is a medium-power amplifier, with frequencies ranging from the UHF-band to
the L-band, that features high output power, low noise, and low current operation. The
KGF1254B specifications are guaranteed to a fixed matching circuit for 5.2 V and 850 MHz;
external impedance-matching circuits are also required. Because of the low noise and high
output power at the low operating current, the KGF1254B is ideal as a transmitter-driver
amplifier for personal handy phones.
The KGF1254 is an amplifier similar to the KGF1254B in specifications and typical properties.
Although having S Parameters that are slightly different from those of the KGF1254B, the
KGF1254 meets the specifications for the KGF1254B, even with the same matching circuits as
those of the KGF1254B.
FEATURES
• High output power: 20 dBm (min.)
• Low noise: 2.5 dB (max.)
• Low current operation: 80 mA (max.)
• Self-bias circuit configuration with built-in source capacitor
• Package: 4PSOP
PACKAGE DIMENSIONS
0.6 +0.1
–0.05
1.8±0.1
0.85±0.05
0.4
+0.1
–0.05
1.1±0.15
0.36 0.74
0 to 0.15
1.9±0.1
2.8±0.15
0.125
+0.03
–0
(Unit: mm)
Package material
Lead frame material
Pin treatment
Solder plate thickness
Epoxy resin
42 alloy
Solder plating
5 mm or more
Note: Ask our sales department for detailed requirements of the KGF1254.
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KGF1254B/1254
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¡ electronic components
KGF1254B/1254
Typical S Parameters of KGF1254B
VDD = 5 V, VG = 0 V, ID = 45.1 mA
Freq(MHz) MAG(S11) ANG(S11) MAG(S21) ANG(S21) MAG(S12) ANG(S12) MAG(S22) ANG(S22)
500.0
0.885 –52.63
6.302 130.04
0.040
61.92
0.322 –76.26
600.0
0.864 –59.83
5.861 124.38
0.043
59.74
0.321 –86.96
700.0
0.836 –67.93
5.553 117.38
0.045
60.36
0.315 –96.63
800.0
0.812 –75.08
5.277 110.70
0.047
62.83
0.307 –102.22
900.0
0.786 –82.06
5.005 103.96
0.051
62.81
0.300 –107.66
1000.0
0.765 –88.22
4.724
97.24
0.056
68.01
0.299 –111.14
1100.0
0.743 –94.20
4.471
91.06
0.062
71.47
0.298 –114.83
1200.0
0.725 –99.50
4.221
85.19
0.068
73.68
0.303 –119.37
1300.0
0.707 –105.20
3.978
79.95
0.079
76.17
0.311 –122.26
1400.0
0.697 –110.17
3.783
74.02
0.084
76.17
0.326 –125.15
1500.0
0.689 –114.84
3.624
69.53
0.094
75.92
0.334 –128.57
1600.0
0.679 –119.36
3.432
64.21
0.105
79.05
0.341 –132.48
1700.0
0.673 –123.74
3.289
59.89
0.115
77.97
0.353 –135.45
1800.0
0.667 –128.52
3.123
55.16
0.127
76.07
0.367 –138.21
1900.0
0.669 –133.13
2.995
50.31
0.139
76.30
0.388 –142.51
2000.0
0.661 –137.70
2.872
45.87
0.154
73.45
0.403 –144.74
2100.0
0.660 –142.35
2.730
41.41
0.166
74.08
0.408 –149.35
2200.0
0.660 –145.82
2.630
37.21
0.180
69.70
0.427 –153.97
2300.0
0.667 –151.02
2.497
32.36
0.199
68.97
0.444 –157.05
2400.0
0.663 –155.34
2.411
28.42
0.215
67.08
0.459 –161.21
2500.0
0.665 –159.71
2.294
24.90
0.225
63.38
0.479 –164.88
2600.0
0.671 –163.88
2.208
20.26
0.241
60.62
0.493 –168.63
2700.0
0.677 –168.72
2.118
16.64
0.259
57.47
0.510 –173.48
2800.0
0.682 –173.12
2.025
12.64
0.272
55.78
0.523 –177.27
2900.0
0.680 –177.75
1.936
8.81 0.284 52.98 0.542 178.12
3000.0
0.688 178.08
1.854
4.75 0.301 50.65 0.557 173.21
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