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START405TR
NPN SILICON RF TRANSISTOR
1/7July, 3 2002
START405NPN Silicon RF Transistor
LOW NOISE FIGURE: NFmin = 1.1dB
@ 1.8GHz, 2mA, 2V
COMPRESSION P1dB = 5dBm
@ 1.8GHz, 5mA, 2V
TRANSITION FREQUENCY 42GHz
LOW CURRENT CONSUMPTION
ULTRA MINIATURE SOT343 PACKAGE
DESCRIPTIONThe START405 is a member of the START family
that provide the state of the art of RF silicon process
to the market. Manufacturated in the third
generation of ST proprietary bipolar process, it
offers the best mix of gain and NF for given
breakdown voltage(BVceo).
It offers performance level only archived with GaAs
products before.
ABSOLUTE MAXIMUM RATINGS
ABSOLUTE MAXIMUM RATINGS
START405
ELECTRICAL CHARACTERISTICS (Tj=25 o C,unless otherwise specified)
Note(1): Gms = | S21 / S12 |
PINOUT
PIN CONNECTION
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START405
SPICE PARAMETERS (Gummel-Poon Model, Berkley-SPICE 2G.6 Syntax)
PACKAGE EQUIVALENT CIRCUIT
TRANSISTOR CHIP DATA
FOR MORE ACCURACY SIMULATION IN SATURATION REGION :Adding the 5 Spice parameters showed in Table A and using ST Spice Library (available on request) you
can achieve a more accuracy simulation in the saturation region. ST Spice library is compatible with
following simulators: ELDO MENTOR (any version), SPECTRE CADENCE (any version), ADS (version
2001 only).
Table A (Spice Parameters extracted in saturation region)In order to avoid high complexity of the package equivalent circuit, the two emitter leads of SOT-343
package are combined in one electrical connection.
START405
COMMON EMITTER S-PARAMETERS ( VCE = 2V, IC = 5mA )
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START405
TAPE & REEL DIMENSIONS
DEVICE ORIENTATION
START405
PACKAGE DIMENSIONS SOT343 (SC-70 4 leads)
