TRF1020 RECEIVER Datasheet

TRF1020 Datasheet PDF, Equivalent


Part Number

TRF1020

Description

GSM RECEIVER

Manufacture

etcTI

Total Page 26 Pages
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Download TRF1020 Datasheet PDF


TRF1020
TRF1020
GSM RECEIVER
D Operates from 2.75 V to 3.5 V Supply
D Low Current Consumption
D Low Profile Package: 48-pin Plastic Quad
Flat Package (PQFP)
D Global System for Mobile Communications
(GSM), Class 3, 4, or 5 Mobile Station (MS)
Portable Cellular Telephone Applications
D Conversion from Radio Frequency (RF) to
I and Q Baseband on a Single Chip
SLWS028B – MAY 1998 – REVISED SEPTEMBER 1998
D Independent Powerdown of Low Noise
Amplifiers (LNA), Mixers, Intermediate
Frequency (IF) Amplifiers, and
Voltage-Controlled Oscillator (VCO)
D Digital Gain Control for LNA and IF
Amplifiers
D Two IF Amplifiers for Dual Conversion if
Required
D Cascaded Operation of IF Amplifiers for
Single-Conversion Configurations
D DC Compensation of I and Q Outputs
description
The TRF1020 is a single-chip radio frequency (RF) downconverter suitable for 900-MHz GSM applications. It
combines in one small package an LNA, an RF mixer, an IF mixer, two IF amplifiers, an I and Q mixer, and one
buffered VCO. The TRF1020 requires few external components.
The LNA has a nominal gain of 12.4 dB and noise figure of 2.1 dB. The first RF mixer has a conversion gain
of 13.4 dB and a single-sideband (SSB) noise figure of 8.3 dB. The IF amplifiers have combined variable gain
from 0 to 84 dB in approximately 3-dB steps. The IF amplifier frequency range is 40 to 180 MHz for the first IF
amplifier and 10 to 180 MHz for the second IF amplifier. The local oscillator of the I and Q mixer operates at four
times the last frequency of the IF mixer.
Power consumption is kept to a minimum and can be further reduced by dynamically placing selected functions
in standby power-down mode when not required. Power-down control is provided through the three-line digital
serial interface.
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the gates.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Copyright © 1998, Texas Instruments Incorporated
1

TRF1020
TRF1020
GSM RECEIVER
SLWS028B – MAY 1998 – REVISED SEPTEMBER 1998
PFB PACKAGE
(TOP VIEW)
IQMIX_I+
IQMIX_I–
VMID
IQMIX_Q+
IQMIX_Q–
IQMIX_GND
DIG_VCC
DIG_CMP
CLK
STROBE
DAT
DIG_GND
48 47 46 45 44 43 42 41 40 39 38 37
1 36
2 35
3 34
4 33
5 32
6 31
7 30
8 29
9 28
10 27
11 26
12 25
13 14 15 16 17 18 19 20 21 22 23 24
MIX2_LO
MIX2_IF+
MIX2_IF–
IF1_GND
IF1_VCC
MIX1_IF–
MIX1_IF+
OS1_SYN
OS1_MOD
LO_BUF_GND
OS1_GND
OS1_VCC
2 POST OFFICE BOX 655303 DALLAS, TEXAS 75265


Features TRF1020 GSM RECEIVER D Operates from 2. 75 V to 3.5 V Supply D Low Current Cons umption D Low Profile Package: 48-pin P lastic Quad Flat Package (PQFP) D Globa l System for Mobile Communications (GSM ), Class 3, 4, or 5 Mobile Station (MS) Portable Cellular Telephone Applicatio ns D Conversion from Radio Frequency (R F) to I and Q Baseband on a Single Chip SLWS028B – MAY 1998 – REVISED SEP TEMBER 1998 D Independent Powerdown of Low Noise Amplifiers (LNA), Mixers, Int ermediate Frequency (IF) Amplifiers, an d Voltage-Controlled Oscillator (VCO) D Digital Gain Control for LNA and IF Am plifiers D Two IF Amplifiers for Dual C onversion if Required D Cascaded Operat ion of IF Amplifiers for Single-Convers ion Configurations D DC Compensation of I and Q Outputs description The TRF10 20 is a single-chip radio frequency (RF ) downconverter suitable for 900-MHz GS M applications. It combines in one smal l package an LNA, an RF mixer, an IF mi xer, two IF amplifiers, an I and Q mixer, and one buffered VCO. The.
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