|
|
HD155121FのメーカーはHitachi Semiconductorです、この部品の機能は「RF Transceiver IC for GSM and PCN Dual band cellular systems」です。 |
部品番号 | HD155121F |
| |
部品説明 | RF Transceiver IC for GSM and PCN Dual band cellular systems | ||
メーカ | Hitachi Semiconductor | ||
ロゴ | |||
このページの下部にプレビューとHD155121Fダウンロード(pdfファイル)リンクがあります。 Total 30 pages
HD155121F
RF Transceiver IC for GSM and PCN Dual band cellular systems
ADE-207-265A (Z)
2nd Edition
May 1999
Description
The HD155121F is a RF transceiver IC for GSM and PCN dual band cellular systems, and integrates most
of the low power silicon functions of a transceiver. The HD155121F incorporates two bias circuits for RF
LNAs, two first mixers, a second mixer, a programmable gain amplifier, and an IQ demodulator for the
receiver, and an IQ modulator and offset PLL for the transmitter. Also, on chip are dividers for the phase
splitter. Moreover the HD155121F includes control circuits to implement power saving modes. These
functions can operate down to 2.7 V and are housed in a 48-pin LQFP SMD package.
Hence the HD155121F can form a small size transceiver handset for dual band by adding a dual PLL
frequency synthesizer IC, power amplifiers and some external components.
The HD155121F is fabricated using a 0.6 µm double-polysilicon Bi-CMOS process.
Functions
Receiver(Rx)
• Low Noise Amplifier (LNA) bias circuit
• First mixer
• IF amplifier and second mixer
• Programmable Gain Amplifier (PGA)
• IQ demodulator with 90 degree phase splitter
Transmitter(Tx)
• IQ modulator with 90 degree phase splitter
• Offset PLL
Down converter
Phase comparator
TXVCO driver
Others
• IF dividers
• Power saving control circuit
• IFVCO
1 Page Pin Arrangement
HD155121F
MIX1INB1
MIX1IN1
RFOUT
RFIN1
RFIN2
VCCPLL
GNDPLL
VCOIN2
VCOIN1
VCCCOMP
PLLOUT
ICURAD
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
IFLO
BAND
IFVCOO
IFVCOI
VCCIF
GNDIF
IFIN
IFINB
LE
SDATA
CLK
MIX2O
(Top View)
3
3Pages HD155121F
Block Diagram
from
System controller
GNDDIV
VCCDIV
1172MHz
(Rx: 1580MHz, Tx: 1575MHz)
RFLOIN
GNDMIX1
VCCMIX1
MIX1OUT
MIX1OUTB
POONRX1
POONRX2
POONTX
MIX1INB2
MIX1IN2
from System controller
MIX2OB
IOUT
IOUTB
QOUT
QOUTB
GNDIQ
VCCIQ
MODB
IIN
IINB
QIN
QINB
from Antenna
6
6 Page | |||
ページ | 合計 : 30 ページ | ||
|
PDF ダウンロード | [ HD155121F データシート.PDF ] |
データシートを活用すると、その部品の主な機能と仕様を詳しく理解できます。 ピン構成、電気的特性、動作パラメータ、性能を確認してください。 |
部品番号 | 部品説明 | メーカ |
HD155121F | RF Transceiver IC for GSM and PCN Dual band cellular systems | Hitachi Semiconductor |