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Part: SA9500
Category:
Communication
-> Wireless
-> TDMA/CDMA/WCDMA
-> TDMA
Description: SA9500; Dual-band, Cdma/amps Downconverter ic
Company: Philips Semiconductors
Datasheet: Download SA9500 datasheet File size : 70 kB
Request For quote: Find where to buy SA9500
Datasheet text preview:
INTEGRATED CIRCUITS
SA9500 Dual-band, CDMA/AMPS downconverter IC
Product specification Supersedes data of 1998 Jul 07 IC17 Data Handbook 1998 Aug 11
Philips Semiconductors
Philips Semiconductors
Product specification
Dual-band, CDMA/AMPS downconverter IC
SA9500
DESCRIPTION
The SA9500 integrates all the front end receive mixers necessary for use in dual-band, triple-mode CDMA/AMPS cellular phone handsets. There are three individual mixer blocks, each optimised for high linearity with low power consumption for operation in one of the following modes: High-band 1900MHz PCS CDMA, low-band 800MHz cellular CDMA or analog FM AMPS/TACS modes. Additionally, the entire circuit can be powered down and put into sleep mode, reducing the supply current to less than 20ľA. The circuit has been designed in our advanced QUBiC2 BiCMOS process with 20GHz fT.
ˇ Programmable wideband LO output buffer ˇ Low voltage operation down to 2.7V ˇ Low current consumption in "idle"/receive modes:
PCS : CDMA: FM: 20.0mA @ 2.7V 20.2mA @ 2.7V 7.7mA @ 2.7V
ˇ Low standby current in sleep mode <20ľA ˇ TSSOP20 package
APPLICATIONS
FEATURES
PCS: CDMA: FM:
ˇ PCS and cellular downconverter mixers typical performance:
Gain=11.3dB, NF=8.3dB, IIP3= +1.4dBm Gain=10.7dB, NF=9.6dB, IIP3= +6.3dBm Gain= 7.2dB, NF=10.2dB, IIP3= +5.9dBm
ˇ Separate, selectable IF outputs to suit FM and CDMA bandwiths ˇ Integrated frequency doubler for PCS mixer LO
ORDERING INFORMATION
EXTENDED TYPE NUMBER SA9500DH
ˇ 800MHz analog FM and CDMA digital receivers ˇ 1900MHz PCS band CDMA digital recievers ˇ Supports dual-mode and triple-mode operation ˇ Digital mobile communications equipment ˇ Portable, low power radio equipment
PACKAGE PINS 20 PIN POSITION TSSOP MATERIAL Plastic thin shrink small outline package; body 6.5 x 4.4 x 1.1 mm CODE SOT360-1
1998 Aug 11
2
8532109 19859
Philips Semiconductors
Product specification
Dual-band, CDMA/AMPS downconverter IC
SA9500
BLOCK DIAGRAM
RX BPF Fo = 1960 MHz BW = 60 MHz PCS_in 2 2 CELL ×2 2 Cell_in 1 1 1 2×LO LO 2 FM IF BPF Fo = 85.38MHz BW = 30kHz 2 2 FM_Out 2 2 PCS 2 CDMA_Out CDMA IF BPF Fo = 85.38MHz BW = 1.23MHz
RX BPF Fo = 881.5MHz BW = 45 MHz
SA9500
1 MODE SELECT LOGIC
BIAS CTRL 1
CDMA/FM
PCS/CELL
LO OUT
LO GAIN
LO IN
VCC
PWR ON/OFF
SR01598
Figure 1. Block Diagram
Table 1.
Mode Selection Summary
PCS/CEL (Pin 6) low low high high CDMA/FM/LO doubler (Pin 17) low high low high Cellular FM Cellular CDMA CDMA PCS, 1GHz (LO out) CDMA PCS, 2GHz (2×LO out) MODE
1998 Aug 11
3
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