TGA1342-EPU(2001) 查看數據表（PDF） - TriQuint Semiconductor
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TGA1342-EPU Datasheet PDF : 8 Pages
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Advance Product Information
TABLE III
AUTOPROBE FET PARAMETER MEASUREMENT CONDITONS
FET Parameters
IDSS : Maximum drain current (IDS) with gate voltage
(VGS) at zero volts.
( ) IDSS − IDS 1
Gm : Transconductance; VG1
VP : Pinch-Off Voltage; VGS for IDS = 0.5 mA/mm of
gate width.
VBDGD : Breakdown Voltage, Gate-to-Drain; gate-to-
drain breakdown current (IBD) = 1.0 mA/mm
of gate width.
VBDGS : Breakdown Voltage, Gate-to-Source; gate-to-
source breakdown current (IBS) = 1.0 mA/mm
of gate width.
IMAX : Maximum IDS.
Test Conditions
VGS = 0.0 V, drain voltage (VDS) is swept from 0.5 V
up to a maximum of 3.5 V in search of the maximum
value of IDS; voltage for IDSS is recorded as VDSP.
For all material types, VDS is swept between 0.5 V
and VDSP in search of the maximum value of Ids.
This maximum IDS is recorded as IDS1. For
Intermediate and Power material, IDS1 is measured
at VGS = VG1 = -0.5 V. For Low Noise, HFET and
pHEMT material, VGS = VG1 = -0.25 V. For
LNBECOLC, use VGS = VG1 = -0.10 V.
VDS fixed at 2.0 V, VGS is swept to bring IDS to
0.5 mA/mm.
Drain fixed at ground, source not connected
(floating), 1.0 mA/mm forced into gate, gate-to-drain
voltage (VGD) measured is VBDGD and recorded as
BVGD; this cannot be measured if there are other
DC connections between gate-drain, gate-source or
drain-source.
Source fixed at ground, drain not connected
(floating), 1.0 mA/mm forced into gate, gate-to-
source voltage (VGS) measured is VBDGS and recorded
as BVGS; this cannot be measured if there are other
DC connections between gate-drain, gate-source or
drain-source.
Positive voltage is applied to the gate to saturate the
device. VDS is stepped between 0.5 V up to a
maximum of 3.5 V, searching for the maximum value
of IDS.
Note: Devices designated as EPU are typically early in their characterization process prior to finalizing all electrical and process
specifications. Specifications are subject to change without notice.
TriQuint Semiconductor Texas: Phone (972)994-8465 Fax (972)994 8504 Web: www.triquint.com
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rev 11/10/98
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