RF6001_1 RFMD [RF Micro Devices], RF6001_1 Datasheet - Page 24
RF6001_1
Manufacturer Part Number
RF6001_1
Description
FRACTIONAL-N RF SYNTHESIZER WITH MODULATOR AND DIGITAL IF FILTER
Manufacturer
RFMD [RF Micro Devices]
Datasheet
1.RF6001_1.pdf
(70 pages)
- Current page: 24 of 70
- Download datasheet (2Mb)
RF6001
Part of the POLARIS™ TOTAL RADIO™ Solution
RXMODE=110
In this mode the SSI provides four samples of I and four samples of Q for each GSM symbol period. The output data pattern on
DRI is 16 bits of I data followed by 8 blank bits, and the output data pattern on DRQ is 16 bits of Q data followed by 8 blank
bits. In this case, FSR is (13/12)MHz=1083.333kbps and always marks the beginning of the I and Q data transfer. CLKR is
26MHz.
The various CLKR modes are defined as follows: with CLKRM=00 and RXCKB=0, CLKR will shut down after the Q data transfer
completes until the next I data transfer to save power; with CLKRM=01 and RXCKB=0, CLKR is always enabled if ENR is true;
with CLKRM=1x, CLKR is always disabled.
DBL will have no effect in this mode.
The following diagram summarizes this mode of operation.
RXMODE=111 (valid only for CHBW greater than or equal to 90kHz in 100kHz VLIF or DCR mode)
In this mode the SSI provides four samples of I and four samples of Q for each GSM symbol period. The output data pattern on
DRI is 12 bits of I data followed by 12 bits of Q data. In this case, FSR is (13/6)MHz=2166.67kbps and CLKR is 26MHz.
The various CLKR modes are defined as follows: with CLKRM=00 and RXCKB=0, CLKR will shut down after the Q data transfer
completes until the next I data transfer to save power (with RXMODE=111, CLKR will always be enabled as there is no blank
data); with CLKRM=01 and RXCKB=0, CLKR is always enabled if ENR is true; with CLKRM=1x, CLKR is always disabled.
DBL will have no effect in this mode.
The first data field of 12 bits after ENR rises will always be the I word.
The following diagram summarizes this mode of operation.
24 of 70
CLKRM=00 or 01
CLKRM=00
CLKRM=01
CLKR,
CLKR,
DRQ
ENR
FSR
DRI
CLKR
DRQ
ENR
FSR
DRI
(Valid only for CHBW greater than or equal to 90kHz in 100kHz VLIF or DCR mode.)
Tcs
1
1
Q(15)
I(15)
I(11)
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
2
Tcwh
2
Tsu
Q(14)
I(14)
I(10)
3
3
15
11
Q(1)
I(1)
I(1)
Tcwl
Th
16
12
Q(0)
I(0)
I(0)
17
13
Q(11)
18
14
Q(10)
19
15
23
23
Q(1)
24
24
Q(0)
1
Q(15)
1
I(15)
I(11)
Rev A3 DS050929
2
Q(14)
2
I(14)
I(10)
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