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PDF RF2424 Data sheet ( Hoja de datos )

Número de pieza RF2424
Descripción UHF QUADRATURE MODULATOR
Fabricantes RF Micro Devices 
Logotipo RF Micro Devices Logotipo



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RF2424
5 UHF QUADRATURE MODULATOR
Typical Applications
• Digital Communications Systems
• GSM and D-AMPS Systems
• Spread Spectrum Communication Systems • AM, SSB, DSB Modulation
• GMSK,QPSK,DQPSK,QAM Modulation • Image-Reject Upconverters
Product Description
The RF2424 is a monolithic integrated quadrature modu-
lator IC capable of universal direct modulation for high-
frequency AM, PM, or compound carriers. Maximum out-
put power is +7.5dBm, which is achieved with low input I
and Q signal levels. This low-cost IC implements differen-
tial amplifiers for the modulation inputs, 90° carrier phase
shift network, carrier limiting amplifiers, two matched dou-
ble-balanced mixers, summing amplifier, and an output
RF amplifier which will drive 50from 700MHz to
1000 MHz.
0.196
0.189
0.157
0.150
0.2440
0.2284
0.012
0.008
0.025
-A-
0.0098
0.0040
0.0688
0.0532
8° MAX
0°MIN
0.050
0.016
0.0098
0.0075
NOTES:
1. Shaded lead is Pin 1.
2. All dimensions are excluding mold flash.
3. Lead coplanarity - 0.005 with respect to datum "A".
Optimum Technology Matching® Applied
üSi BJT
GaAs HBT
GaAs MESFET
Si Bi-CMOS
SiGe HBT
Si CMOS
I REF 1
Q REF 2
VCC1 3
MIXOUT 4
GND1 5
GND1 6
LO 7
GND3 8
POWER
CONTROL
Σ
-45°
+45°
16 ISIG
15 QSIG
14 GND1
13 VCC2
12 PD
11 GND1
10 GND2
9 RFOUT
Package Style: SSOP-16
Features
• Single 2.7V to 5.5V Power Supply
• +7.5dBm Output Power
• No Tuning Required
• Low LO Input Level
• Digitally Controlled Power Down Mode
• 700MHz to 1000MHz Operation
Ordering Information
RF2424
UHF Quadrature Modulator
RF2424 PCBA Fully Assembled Evaluation Board
Functional Block Diagram
RF Micro Devices, Inc.
7628 Thorndike Road
Greensboro, NC 27409, USA
Tel (336) 664 1233
Fax (336) 664 0454
http://www.rfmd.com
5
Rev A6 010817
5-43

1 page




RF2424 pdf
RF2424
VREF
P2-1
VCC
P1-1
Evaluation Board Schematic
(Download Bill of Materials from www.rfmd.com.)
Drawing 2424400 Rev -
R3
100
C8
33 nF
C1
1 nF
C3
1 nF
L3
8.2 nH
1
2
3
4
5
POWER
CONTROL
Σ
C10
100 pF
16
15
14
C9
100 pF
R2
100
13
C7
12 1 nF
LO IN
J3
50 Ω µstrip
L1
10 nH
6
7 -45°
+45°
8
11
C6
10
1 nF
C4
4 pF
9
L2
6.8 nH
P1
P1-1 1 VCC
2 GND
3 GND
P2
P2-1 1 VREF
2 GND
P2-3 3 PD
C5
1 nF
50 Ω µstrip
50 Ω µstrip
50 Ω µstrip
I SIG
J1
Q SIG
J2
VCC
P1-1
PD
P2-3
RF OUT
J4
VCC
P1-1
5
Rev A6 010817
5-47

5 Page










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