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PDF SA1920 Data sheet ( Hoja de datos )
| Número de pieza | SA1920 | |
| Descripción | Dual-band RF front-end | |
| Fabricantes | Philips | |
| Logotipo |  |
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INTEGRATED CIRCUITS
SA1920
Dual-band RF front-end
Product specification
Supersedes data of 1998 Apr 07
IC17 Data Handbook
Philips
Semiconductors
1999 Mar 02
1 page  
Philips Semiconductors
Dual-band RF front-end
Product specification
SA1920
Table 1. POWER DOWN CONTROL
For Applications Not Using a Frequency Doubler, each state is
defined as follows:
Control State
(Hi/Lo, Syn On, Rx On, Tx On, Strong Signal, X2
ON)
x000xx Sleep
010000 Low-Band LO Buffer on
011000 Low-Band Receive Normal
011010 Low-Band receive Strong Signal
011100 Low-Band Transmit (Analog only)
DOUBLER
Off
Off
Off
Off
Off
LO BUFFER
High Low
Band Band
Off Off
Off On
Off On
Off On
Off On
010100 N/A
Off Off On
110000 High-Band LO Buffer On
Off On Off
111000 High-Band Receive Normal
Off On Off
111010 High-Band Receive Strong Signal Off On Off
110100 N/A
Off On Off
LNA
High Low
Band Band
MIXER
High Low
Band Band
Off Off Off
Off Off Off
Off On Off
Off Off Off
Off On Off
High Bias
Off Off Off
Off Off Off
On Off On
Off Off On
Off Off Off
Off
Off
On
On
On
Off
Off
Off
Off
Off
TX MIXER
DRIVER
High Low
Band Band
Off Off
Off Off
Off Off
Off Off
Off On
Off On
Off Off
Off Off
Off Off
On Off
For Applications Using a Frequency Doubler, each state is
defined as follows:
DOUBLER
Control State
(Hi/Lo, Syn On, Rx On, Tx On, Strong Signal, X2
ON)
x000xx Sleep
Off
010000 Transmit (Low and High Band)
Off
011000 Low-Band Receive Normal
Off
011010 Low-Band Receive Strong Signal
Off
011110 Low-Band Transmit (Analog only)
Off
LO BUFFER
High Low
Band Band
Off Off
Off On
Off On
Off On
Off On
010100
010001
011001
011011
011111
Low-Band Transmit (GSM)
Transmit (Low and High Band)
Low-Band Receive Normal
Low-Band Receive Strong Signal
Low-Band Transmit(Analog only)
Off Off On
On Off On
On Off On
On Off On
On Off On
111001 High-Band Receive Normal
On On On
111011 High-Band Receive Strong Signal On On On
110101 High-Band Transmit (GSM)
On On On
LNA
High Low
Band Band
MIXER
High Low
Band Band
Off Off Off
Off Off Off
Off On Off
Off Off Off
Off On
Off
High Bias
Off Off Off
Off Off Off
Off On Off
Off Off Off
Off On Off
High Bias
On Off On
Off Off On
Off Off Off
Off
Off
On
On
On
Off
Off
On
On
On
Off
Off
Off
TX MIXER
DRIVER
High Low
Band Band
Off Off
Off Off
Off Off
Off Off
Off Off
Off On
Off Off
Off Off
Off Off
Off Off
Off Off
Off Off
On Off
NOTE:
“0” is low logic state; “1” is high logic state.
1999 Mar 02
5
5 Page 
Philips Semiconductors
Dual-band RF front-end
Product specification
SA1920
1999 Mar 02
Figure 3. SA1920 Dual-Band Test Circuit
11
SR01801
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet SA1920.PDF ] | |
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