Product data sheetRev. 01 — 14 February 20073 of 12
power gainPL=P
drain efficiencyPL=P
Dq
power gainP
drain efficiencyP
= 30 W12.5 13.5-dB
L(PEP)
=30W-−16−11dB
L(PEP)
= 30 W3235.0-%
L(PEP)
=30W-−26−23dBc
L(PEP)
< 10 W-<−50-dBc
L(PEP)
= 450 mA
Dq
= 36 W-12.5-dB
L(1dB)
= 36 W-43-%
L(1dB)
= 1 A
= 9 W-16-dB
L(AV)
=9W-20-%
L(AV)
= 450 mA
Dq
Page 4
NXP Semiconductors
7.1 Ruggedness in class-AB operation
The BLF3G21-30 is capable of withstanding a load mismatch corresponding to
VSWR = 10 : 1 through all phases under the following conditions: VDS=26V;
f = 2200 MHz at rated load power.
Product data sheetRev. 01 — 14 February 20076 of 12
xxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx x xxxxxxxxxxxxxx xxxxxxxxxx xxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxx
xxxxx xxxxxx xx xxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxx xxxxxxx xxxxxxxxxxxxxxxxxxx
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F1
50 Ω
input
C1
L1L2
R1
C5
L3L4L5
C2C4C7C8
V
gate
C6
L6
L7
L8
L12
L10
L9
L11
C11C12
C10
L14
L13
R2
C13
C14
C9
L16L15
C15
50 Ω
output
V
C16
001aaf798
dd
8.Test information
NXP Semiconductors
Fig 9. Class-AB test circuit for 2 GHz
UHF power LDMOS transistor
BLF3G21-30
Page 7
NXP Semiconductors
BLF3G21-30
UHF power LDMOS transistor
PH98072 IN
C6
R1
C5
50 mm
C16
50 mm
60
mm
PH98073 OUT
C10
C13
C11
C12
C15
+
C14
F1
R2
C2
50 Ω
input
C1
C4
PH98072 IN
The components are situated on one side of the copper-clad Printed-Circuit Board (PCB) with Teflon dielectric (εr = 6.15);
thickness = 0.64 mm. The other side is unetched and serves as a ground plane.
See Table 9 for a list of components.
Fig 10. Component layout for 2 GHz class-AB test circuit
[1] American Technical Ceramics type 100B or capacitor of same quality
[2] American Technical Ceramics type 100A or capacitor of same quality
[3] The striplines are on a double copper-clad Printed-Circuit Board (PCB) with Teflon dielectric (εr = 6.15); thickness = 0.64 mm
Product data sheetRev. 01 — 14 February 20079 of 12
Page 10
NXP Semiconductors
10. Abbreviations
Table 10.Abbreviations
AcronymDescription
CDMACode Division Multiple Access
EDGEEnhanced Data rates for the GSM Evolution
GSMGlobal System for Mobile communications
HFHigh Frequency
LDMOSLaterally Diffused Metal Oxide Semiconductor
LDMOSTLaterally Diffused Metal-Oxide Semiconductor Transistor
PHSPersonal HandyPhone System
RFRadio Frequency
SMDSurface-Mount Device
UHFUltra High Frequency
VSWRVoltage Standing-Wave Ratio
W-CDMAWideband Code Division Multiple Access
Product data sheetRev. 01 — 14 February 200710 of 12
Page 11
NXP Semiconductors
12. Legal information
12.1Data sheet status
BLF3G21-30
UHF power LDMOS transistor
Document status
Objective [short] data sheetDevelopmentThis document contains data from the objective specification for product development.
Preliminary [short] data sheet QualificationThis document contains data from the preliminary specification.
Product [short] data sheetProductionThis document contains the product specification.
[1] Please consult the most recently issued document before initiating or completing a design.
[2] The term ‘short data sheet’ is explained in section “Definitions”.
[3] The product status of device(s)described in thisdocument mayhave changed since this documentwas published andmay differin case ofmultiple devices.The latest product status
information is available on the Internet at URL
[1][2]
Product status
12.2Definitions
Draft — The document is a draft version only. The content is still under
internal review and subject to formal approval, which may result in
modifications or additions. NXP Semiconductors does not give any
representations or warranties as to the accuracy or completeness of
information includedherein and shall have no liabilityfor the consequencesof
use of such information.
Short data sheet — A short data sheet is an extract from a full data sheet
with thesame product type number(s)and title. Ashort data sheetis intended
for quickreference only and shouldnotbe relied upon to containdetailedand
full information. For detailed and full information see the relevant full data
sheet, which is available on request via the local NXP Semiconductors sales
office. In case of any inconsistency or conflict with the short data sheet, the
full data sheet shall prevail.
12.3Disclaimers
General — Information in this document is believed to be accurate and
reliable. However, NXPSemiconductorsdoes not give anyrepresentations or
warranties, expressed or implied, as tothe accuracy or completeness ofsuch
information and shall have no liability for the consequences of use of such
information.
Right to make changes — NXP Semiconductors reserves the right tomake
changes to information published in this document, including without
limitation specifications and product descriptions, at any time and without
notice. Thisdocumentsupersedes and replaces all information suppliedprior
to the publication hereof.
Suitability for use — NXP Semiconductors products are not designed,
authorized or warranted to be suitable for use in medical, military, aircraft,
space or life support equipment, nor in applications where failure or
[3]
http://www.nxp.com.
Definition
malfunction ofa NXP Semiconductorsproductcan reasonablybeexpected to
result in personal injury, death or severe property or environmental damage.
NXP Semiconductors accepts no liability for inclusion and/or use of NXP
Semiconductors products in such equipment or applications and therefore
such inclusion and/or use is at the customer’s own risk.
Applications — Applications that are described herein for any of these
products are for illustrative purposes only. NXP Semiconductors makes no
representation or warranty that such applications will be suitable for the
specified use without further testing or modification.
Limiting values — Stress above one or more limiting values (as defined in
the Absolute MaximumRatings System of IEC 60134)may cause permanent
damage tothedevice. Limiting valuesare stress ratings onlyand operation of
the device at these or any other conditions above those given in the
Characteristics sections of this document is not implied. Exposure to limiting
values for extended periods may affect device reliability.
Terms and conditions of sale — NXP Semiconductors products are sold
subject to the general terms and conditions ofcommercialsale, as published
at
http://www.nxp.com/profile/terms, including those pertaining to warranty,
intellectual property rights infringement and limitation of liability, unless
explicitly otherwise agreed to in writing by NXP Semiconductors. In case of
any inconsistency or conflict between information in this document and such
terms and conditions, the latter will prevail.
No offer to sell or license — Nothing in this document may be interpreted
or construed as an offer to sell products that is open for acceptance or the
grant, conveyance or implication of anylicense under any copyrights, patents
or other industrial or intellectual property rights.
12.4Trademarks
Notice: Allreferenced brands,productnames, service namesand trademarks
are the property of their respective owners.
13. Contact information
For additional information, please visit: http://www.nxp.com
For sales office addresses, send an email to: [email protected]
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.