Index HP noref Index HP noref
Microwave & RF Banner
  how to buy
  Index
 Products
 bjt Bipolar
 model model
 spar s parameters
 lit apps lit
 spec Spec SG
 apps Apps SG
 
What's New   RFGlobalnet   www /go/rf   Search /go/rf
 
AT-420 Series
for higher power

8V, 10 mA, 2 GHz: NF = 1.9 dB, Ga = 14 dB
8V, 35 mA, 2 GHz: P1dB = +21 dBm, G1dB = 15 dB

part number

|S21|
at 2 GHz
P 1dB
at 2 GHz
package outline data sheet
 
AT-42000 11.5 dB typ
8V, 35 mA
21.0 dB typ
8V, 35 mA
chip pkg dwg pdf
pdf
 
 
AT-42010 11.5 dB typ
10.5 dB min
8V, 35 mA
21.0 dB typ
8V, 35 mA
100 mil
ceramic
pkg dwg pdf
pdf
 
 
AT-42035 11.0 dB typ
10.5 dB min
8V, 35 mA
21.0 dB typ
8V, 35 mA
micro-x pkg dwg  pdf
pdf
 
 
AT-42070 11.5 dB typ
10.5 dB min
8V, 35 mA
21.0 dB typ
8V, 35 mA
70 mil
ceramic
pkg dwg pdf
pdf
 
 
AT-42085 17.0 dB typ
16.0 dB min
@ 1 GHz
8V, 35 mA
20.5 dB typ
@ 1 GHz
8V, 35 mA
85 mil
plastic
pkg dwg pdf
pdf
 
 
AT-42086 16.5 dB typ
15.0 dB min
@ 1 GHz
8V, 35 mA
20.5 dB typ
@ 1 GHz
8V, 35 mA
SMT 85 mil
plastic
pkg dwg pdf
pdf
 

packages: 00 10 35 70 85 86


AT-420 Model

[ top ]
SPICE model

** DIE MODEL (excludes bond wires)
.SUBCKT AT420   75      20      85
CCB     20      60      .034PF
DCD1    20      60      DMOD    1051
RRB1    20      25      0.7     TC=0.8E-3
DCD2    25      60      DMOD    899
RRB2    25      30      2.2     TC=1.2E-3
DCD3    30      60      DMOD    522
RRB3    30      35      1.9     TC=1.8E-3
RRC     60      75      5       TC=0.6E-3
RRE     80      85      .17     TC=0.6E-3
CCE     60      85      .034PF
QINT    60      35      80      QDIS     600
.ENDS

.MODEL  DMOD    D(IS=1E-25, CJO=2.45E-16, VJ=.76, M=.53,
+               BV=45, IBV=1E-9)
.MODEL  QDIS    NPN (BF=100, BR=5, IS=1.65E-18, VA=20, 
+               TF=12PS, CJE=1.8E-15, VJE=1.01, MJE=0.6, 
+               PTF=35, XTB=1.818, VTF=6, ITF=3E-4, 
+               IKF=1E-4, XTF=4, NF=1.03, ISE=5E-15, NE=2.5)
To complete the transistor model, the above die model must be combined
with one of the following package models.

AT-42000
pkg dwg
package 00 model
AT-42010
pkg dwg
package 10 model
AT-42035
pkg dwg
package 35 model
AT-42070
pkg dwg
package 70 model
AT-42085
pkg dwg
package 85 model
AT-42086
pkg dwg
package 86 model


AT-420series S Parameter Data

[ top ]
file name description
t420008a.s2pAT-42000 s and noise parameters at 8 V 10 mA button
view
t420008b.s2p

AT-42000 s parameters at 8 V 35 mA

button
view
t420108a.s2pAT-42010 s and noise parameters at 8 V 10 mA button
view
t420108b.s2p

AT-42010 s aparameters at 8 V 35 mA

button
view
t420358a.s2pAT-42035 s and noise parameters at 8 V 10 mA button
view
t420358b.s2p

AT-42035 s parameters at 8 V 35 mA

button
view
t420708a.s2pAT-42070 s and noise parameters at 8 V 10 mA button
view
t420708b.s2p

AT-42070 s parameters at 8 V 35 mA

button
view
t420858a.s2pAT-42085 s and noise parameters at 8 V 10 mA button
view
t420858b.s2p

AT-42085 s parameters at 8 V 35 mA

button
view
t420868a.s2pAT-42086 s and noise parameters at 8 V 10 mA button
view
t420868b.s2p

AT-42086 s parameters at 8 V 35 mA

button
view

Applications Literature

[ top ]
General Information about Bipolar Junction Transistors
Information about AT-4 Series Transistors
Assembly Information

 
Bottom Banner
[(c) Copyright 1997 Hewlett-Packard Company]
[Top] [Contact us with comments]