RF2658PCBA Ver la hoja de datos (PDF) - RF Micro Devices
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RF2658PCBA Datasheet PDF : 10 Pages
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5
Typical Applications
• CDMA/FM Cellular Systems
• CDMA PCS Systems
• GSM/DCS Systems
RF2658
TRANSMIT MODULATOR, IF AGC, AND
UPCONVERTER
• TDMA Systems
• Spread Spectrum Cordless Phones
• Wireless Local Loop Systems
Product Description
6.20
5.79
3.99
0.25
The RF2658 is an integrated complete Quadrature Modu-
PIN 1
3.81
0.10
lator, IF AGC amplifier, and Upconverter developed for
INDENT
0.36
0.23
TYP
5
the transmit section of dual-mode CDMA/FM cellular and
PCS applications and for GSM/DCS and TDMA systems.
It is designed to modulate baseband I and Q signals,
10.01
9.80
0.635
TYP
amplify the resulting IF signals while providing 95dB of
gain control range, and perform the final upconversion to
UHF. Noise Figure, IP3, and other specifications are
1.73
7°
1.47
designed to be compatible with the IS-98 Interim Stan-
dard for CDMA cellular communications. This circuit is
part of RFMD’s line of complete solutions for digital radio
applications. The IC is manufactured on an advanced
15GHz FT Silicon Bipolar process, and is supplied in a
28-lead plastic SSOP package.
0.25
0.10
8°
1.27
0°
0.38
NOTES:
1. Shaded lead is Pin1.
2. Lead frame material: Copper 194
3. Mold flash shall not exceed 0.006 (0.15 mm) per end.
4. Interlead flash shall not exceed 0.010 (0.25 mm) per side.
5. All dimensions are excluding mold flash and protrusions.
Optimum Technology Matching® Applied
üSi BJT
GaAs HBT
GaAs MESFET
Si Bi-CMOS
SiGe HBT
Si CMOS
1
27
Q SIG 2
Q REF 3
LO1- 8
LO1+ 9
I REF 5
I SIG 4
Quad.
÷2
Gain
Control
Σ
Band Gap
Reference
25 MOD OUT+
24 MOD OUT-
21 MIX IN-
22 MIX IN+
10 13 15 17 19 20
Package Style: QSOP-28
Features
• Similar to RF9958with increased IF range
• Supports Dual Mode Operation
• Digitally Controlled Power Down Modes
• 2.7V to 3.3V Operation
• Double-Balanced UHF Upconvert Mixer
• IF AGC Amp with 95 dB Gain Control
Ordering Information
RF2658
Transmit Modulator, IF AGC, and Upconverter
RF2658 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
Rev A8 010720
5-61
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