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CHP1237 Schematic ( PDF Datasheet ) - ANADIGICS

Teilenummer CHP1237
Beschreibung KPCS CDMA InGaP HBT Amplifier
Hersteller ANADIGICS
Logo ANADIGICS Logo 




Gesamt 12 Seiten
CHP1237 Datasheet, Funktion
FEATURES
• Small Profile (3 x 3 x 1 mm)
• PFTTM 50 Matched Module
• High Linearity of -50 dBc
• High PAE of 39%
• InGaP HBT Technology
• Low Quiescent Current of 55 mA
• Single Positive Supply Voltage
APPLICATIONS
• Korean PCS CDMA handsets
CHP1237
www.DataKShPeeCt4SU.cComDMA
InGaP HBT Amplifier Module
PRELIMINARY DATA SHEET - Rev 1.5
M12 Package
9 Pin 3 x 3 x 1 mm
Surface Mount Module
PRODUCT DESCRIPTION
CHP1237 is an InGaP HBT amplifier module
offering high performance for PCS CDMA wireless
handsets. It consists of a two-stage amplifier, 50
matching network for both input and output, and a
bias control circuit. It is packaged in a 3 x 3 x 1 mm
package using proprietary Passive-Free Technology
(PFT)TM. The package provides excellent electrical
stability and low thermal resistance.
VCC C6
C5
C4
2.7µF
220pF
27pF
1
9
RFIN
28
CHP1237
37
VREF2
4
C7
1nF
VREF1
5
C8
1nF
6
Figure 1: Block Diagram
08/2004
RFOUT






CHP1237 Datasheet, Funktion
CHP1237
6
-30.00
-35.00
-40.00
-45.00
-50.00
-55.00
-60.00
3.20
-50.00
-52.00
-54.00
-56.00
-58.00
-60.00
-62.00
-64.00
-66.00
-68.00
-70.00
3.20
45.00
43.00
41.00
39.00
37.00
35.00
33.00
31.00
29.00
27.00
25.00
3.20
Figure 5: ACP1_U vs VCC
(Po = 28 dBm, VREF1 = 3.0 V, VREF2 = 3.0 V)
1.75GHz, +25C
1.78GHz, +25C
1.75GHz, -30C
1.78GHz, -30C
1.75GHz, +85C
1.78GHz, +85C
www.DataSheet4U.com
3.40
3.60
Vcc (V)
3.80
4.00
Figure 6: ACP2_U vs VCC
(Po = 28 dBm, VREF1 = 3.0 V, VREF2 = 3.0 V)
1.75MHz, +25C
1.78MHz, +25C
1.75MHz, -30C
1.78MHz, -30C
1.75MHz, +85C
1.78MHz, +85C
4.20
3.40 3.60 3.80 4.00
Vcc (V)
Figure 7: PAE vs VCC
(Po = 28 dBm, VREF1 = 3.0 V, VREF2 = 3.0 V)
1.75GHz, +25C
1.78GHz, +25C
1.75GHz, -30C
1.78GHz, -30C
1.75GHz, +85C
1.78GHz, +85C
4.20
3.40
3.60
Vcc (V)
3.80
4.00
PRELIMINARY DATA SHEET - Rev 1.5
08/2004
4.20

6 Page









CHP1237 pdf, datenblatt
CHP1237
www.DataSheet4U.com
ANADIGICS, Inc.
141 Mount Bethel Road
Warren, New Jersey 07059, U.S.A.
Tel: +1 (908) 668-5000
Fax: +1 (908) 668-5132
URL: http://www.anadigics.com
IMPORTANT NOTICE
ANADIGICS, Inc. reserves the right to make changes to its products or to discontinue any product at any time without
notice. The product specifications contained in Advanced Product Information sheets and Preliminary Data Sheets are
subject to change prior to a product’s formal introduction. Information in Data Sheets have been carefully checked and are
assumed to be reliable; however, ANADIGICS assumes no responsibilities for inaccuracies. ANADIGICS strongly urges
customers to verify that the information they are using is current before placing orders.
WARNING
ANADIGICS products are not intended for use in life support appliances, devices or systems. Use of an ANADIGICS
product in any such application without written consent is prohibited.
12 PRELIMINARY DATA SHEET - Rev 1.5
08/2004

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