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NE25139-T1 Scheda tecnica(PDF) 1 Page - NEC

Il numero della parte NE25139-T1
Spiegazioni elettronici  GENERAL PURPOSE DUAL-GATE GaAS MESFET
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Produttore elettronici  NEC [NEC]
Homepage  http://www.nec.com/
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NE25139-T1 Scheda tecnica(HTML) 1 Page - NEC

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PART NUMBER
NE25139
PACKAGE OUTLINE
39
SYMBOL
PARAMETERS AND CONDITIONS
UNITS
MIN
TYP
MAX
NF
Noise Figure at VDS = 5 V, VG2S = 1 V, ID = 10 mA,
f = 900 MHz
dB
1.1
2.5
GPS
Power Gain at VDS = 5 V, VG2S = 1 V, ID = 10 mA,
f = 900 MHz
dB
16
20
BVDSX
Drain to Source Breakdown Voltage at VG1S = -4 V,
VG2S = 0, ID = 10
µAV
13
IDSS
Saturated Drain Current at VDS = 5 V, VG2S = 0 V, VG1S = 0 V
mA
5
20
40
VG1S (OFF)
Gate 1 to Source Cutoff Voltage at VDS = 5 V,
VG2S = 0 V, ID = 100
µA
V
-3.5
VG2S (OFF)
Gate 2 to Source Cutoff Voltage at VDS = 5 V,
VG1S = 0 V, ID = 100
µA
V
-3.5
IG1SS
Gate 1 Reverse Current at VDS = 0, VG1S = -4V, VG2S = 0
µA10
IG2SS
Gate 2 Reverse Current at VDS = 0, VG2S = -4V, VG1S = 0
µA10
|YFS|
Forward Transfer Admittance at VDS = 5 V, VG2S = 1 V,
ID = 10 mA, f = 1.0 kHz
mS
18
25
35
CISS
Input Capacitance at VDS = 5 V, VG2S = 1 V, ID = 10 mA,
f = 1 MHz
pF
0.5
1.0
1.5
CRSS
Reverse Transfer Capacitance at VDS = 5 V, VG2S = 1 V,
ID = 10 mA, f = 1 MHz
pF
0.02
0.03
FEATURES
SUITABLE FOR USE AS RF AMPLIFIER IN
UHF TUNER
LOW CRSS: 0.02 pF (TYP)
HIGH GPS: 20 dB (TYP) AT 900 MHz
LOW NF: 1.1 dB TYP AT 900 MHz
LG1 = 1.0
µm, LG2 = 1.5 µm, WG = 400 µm
ION IMPLANTATION
AVAILABLE IN TAPE & REEL OR BULK
POWER GAIN AND NOISE FIGURE vs.
DRAIN TO SOURCE VOLTAGE
Drain to Source Voltage, VDS (V)
GENERAL PURPOSE
DUAL-GATE GaAS MESFET
NE25139
DESCRIPTION
The NE251 is a dual gate GaAs FET designed to provide
flexibility in its application as a mixer, AGC amplifier, or low
noise amplifier. As an example, by shorting the second gate
to the source, higher gain can be realized than with single gate
MESFETs. This device is available in a mini-mold (surface
mount) package.
ELECTRICAL CHARACTERISTICS (TA = 25°C)
California Eastern Laboratories
20
0
10
0
5
10
0
10
GPS
VG2S = 1 V
VG2S = 0.5 V
VG2S = 2 V
ID = 10 mA
f = 900 MHz
5
NF


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