rf2057 RF Micro Devices, rf2057 Datasheet - Page 23

• Manufacturer Part Number: rf2057
• Description: High Performance Wideband Rf Pll/vco With Integrated Rf Mixers For Repeaters
• Manufacturer: RF Micro Devices

CFG1 (OOh) - Operational Configuration Parameters
CFG2 (O1h) - Mixer Bias and PLL Calibration
DS091109
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
#
#
LD_EN
LD_LEV
TVCO(4:0)
PDP
LF_ACT
CPL(1:0)
CT_POL
EXT_VCO
FULLD
CP_LO_I
MIX1_IDD
MIX1_VB
MIX2_IDD
MIX2_VB
KV_RNG
NBR_CT_AVG
NBR_KV_AVG
Bit Name
Bit Name
1
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
1
0
0
0
1
1
0
0
0
1
0
1
1
0
0
0
Default
Default
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at ([phone] or [e-mail].
9
1
C
0
8
C
5
8
Enable lock detector circuitry
Modify lock range for lock detector
VCO warm-up time=TVCO/(FREF=256)
Phase detector polarity: 0=positive, 1=negative
Active loop filter enable, 1=Active 0=Passive
Charge pump leakage current: 00=no leakage, 01=low leakage, 10=mid leakage, 11=high
leakage
Polarity of VCO coarse-tune word: 0=positive, 1=negative
0=Normal operation 1=external VCO (VCO3 disabled, KV_CAL and CT_CAL must be dis-
abled)
0=Half duplex, mixer is enabled according to MODE pin, 1=Full duplex, both mixers enabled
0=High charge pump current, 1=low charge pump current
Mixer 1 current setting: 000=0mA to 111=35mA in 5mA steps
Mixer 1 voltage bias.
Mixer 2 current setting: 000=0mA to 111=35mA in 5mA steps
Mixer 2 voltage bias
Sets accuracy of voltage measurement during KV calibration: 0=8bits, 1=9bits
Number of averages during CT cal
Number of averages during KV cal
Function
Function
RF2057
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