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PDF RF3330 Data sheet ( Hoja de datos )
| Número de pieza | RF3330 | |
| Descripción | IF GAIN CONTROLLED AMPLIFIER | |
| Fabricantes | RF Micro Devices | |
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Preliminary
3
RF3330
IF GAIN CONTROLLED AMPLIFIER
Typical Applications
• CATV Set-Top Boxes
• Cable Modems
• Cable-Ready TVs
Product Description
The RF3330 is a gain-controlled amplifier suitable for
application in the IF receive section of a cable tuner. It
consists of a high impedance differential input stage, a
low impedance differential output stage, and a differential
gain-controlled amplifier. The voltage gain may be varied
by applying an analog control voltage. The device is fabri-
cated on an advanced Bi-CMOS process, and is housed
in an eight-lead SOT23 package.
1.59
1.61
0.365
0.15
0.05
2.80
3.00
0.650
2.60
3.00
1.44
1.04
*When Pin 1 is in upper
left, text reads downward
(as shown).
3°MAX
0°MIN
0.35
0.55
0.127
Optimum Technology Matching® Applied
Si BJT
üSi Bi-CMOS
GaAs HBT
SiGe HBT
GaAs MESFET
Si CMOS
VCC 1
GND 2
VOUT 3
VOUTB 4
Biasing &
AGC
Control
8 VCC
7 VIN
6 VINB
5 VAGC
Functional Block Diagram
Package Style: SOT23-8
Features
• Single 5V Positive Power Supply
• 26dB Gain Range
• 150MHz Bandwidth
• Compact Package
Ordering Information
RF3330
RF3330 PCBA
RF3330 PCBA
IF Gain Controlled Amplifier
Fully Assembled Evaluation Board - 75Ω
Fully Assembled Evaluation Board - 50Ω
RF Micro Devices, Inc.
7628 Thorndike Road
Greensboro, NC 27409, USA
Tel (336) 664 1233
Fax (336) 664 0454
http://www.rfmd.com
3
Rev A2 010820
3-1
1 page  
Preliminary
RF3330
Evaluation Board Schematic
(Download Bill of Materials from www.rfmd.com.)
VCC
P1-1
P1
1 VCC
2 GND
P1-3 3 AGC
4 GND
HEADER4
J2
VIN
(BAL)
J3
VIN
(BAL)
J1
VIN
(UNBAL)
AGC
+ C3
3.3 µF
C2
100 nF
C9
100 pF
50 Ω µstrip
50 Ω µstrip
50 Ω µstrip
C7
100 nF
C8
100 nF
F1*
R6
5.1 kΩ
C6
33 nF
C1
100 pF
8 Biasing & 1
AGC
7 Control 2 R2
470 Ω
63
5
4
R4
470 Ω
R3
51 Ω
Note orientation of board.
3330410-
R1*
DNI
61
52
43
T1
TTWB
1010-1
R5*
DNI
NOTES:
1. C3, Tantulum Capacitor: Case Size Y, 6.3 V.
2. See Evaluation Test Procedure for more information.
3. Parts with * following the reference designator should not be populated on the evaluation board.
C4*
DNI
50 Ω µstrip
J5
VOUT
(BAL)
50 Ω µstrip
J4
VOUT
C5* (UNBAL)
DNI
3
Rev A2 010820
3-5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet RF3330.PDF ] | |
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