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HD155111F Datasheet(PDF) 11 Page - Hitachi Semiconductor

Part # HD155111F
Description  RF Single-chip Linear IC for PCN Cellular Systems
Download  44 Pages
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Manufacturer  HITACHI [Hitachi Semiconductor]
Direct Link  http://www.renesas.com/eng
Logo HITACHI - Hitachi Semiconductor

HD155111F Datasheet(HTML) 11 Page - Hitachi Semiconductor

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HD155111F
11
Power saving is implemented through use of the idle mode. All function blocks of the HD155111F are
switched off until such time as the system controller commends the device to power up again.
Table 1
Operating Modes with Power Saving
Receive
(Rx)
Calibrate
(Cal)
Warm-up
(Lo-ON)
Transmit
(Tx)
Idle
(PS)
Mode
POONRX1 (pin 1)
H
L
L
L
H
switch
POONRX2 (pin 2)
H
H
L
L
L
POONTX (pin 7)
L
L
L
H
Don’t care
HD155111F
LNA bias
ON
OFF
OFF
OFF
OFF
circuit status
1st mixer
ON
OFF
OFF
OFF
OFF
IF AMP
ON
ON
OFF
OFF
OFF
2nd mixer
ON
ON
OFF
OFF
OFF
AGC
ON
ON
OFF
OFF
OFF
IO demodulator
ON
ON
OFF
OFF
OFF
Divider (Rx.)
ON
ON
OFF
OFF
OFF
Divider (Tx.)
OFF
OFF
OFF
ON
OFF
IO modulator
OFF
OFF
OFF
ON
OFF
Offset PLL
OFF
OFF
OFF
ON
OFF
RF 1st local buffer
ON
ON
ON
ON
OFF
IF local buffer
ON
ON
ON
ON
OFF
IFVCO
ON
ON
ON
ON
OFF
Total current
42.5 mA Typ
32 mA Typ
10.5 mA Typ
38 mA Typ
1
µA Typ
4.615ms
The slots of
PCN system
Operating modes
of the HD155111F
POONRX1(pin 1)
POONRX2(pin 2)
POONTX (pin 7)
Power Amplifier ON
UHF PLL synth. ON
UHF PLL synth. load
VCO control voltage
of UHF PLL synth.
4.615ms
701
2
3
45
67
01
2
3
4
5
67
0
1
Rx
Rx
Tx
Tx
Rx
Rx
Rx
Rx
PS
Idle(PS) mode don't care
Tx
Tx
Mon
Mon
Cal
Cal
Cal
Cal
Lo-ON
Lo-ON
Lo-
ON
Lo-
ON
Lo-
ON
Lo-
ON
Figure 2 Control Diagram for Operating Mode Selection


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