rf2051 RF Micro Devices, rf2051 Datasheet - Page 2

• Manufacturer Part Number: rf2051
• Description: High Performance Wideband Rf Synthesizer/vco With Integrated Rf Mixers
• Manufacturer: RF Micro Devices

RF2051
2 of 40
CONTROL
SERIAL
BUS
RESETB
ENBL
SDATA
MODE
SCLK
ENX
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at ([phone] or [e-mail].
ANA_DEC
LFILT1
LFILT2
LFILT3
XTALIPN
XTALIPP
LFILT3
LFILT2
LFILT1
ENBL
REXT
INDN
REXT
INDP
Detailed Functional Block Diagram
INDN
INDP
1
2
3
4
5
6
7
8
Vtune
Serial Data Interface,
Control and Biasing
32
Reference Oscillator
-
9
Synthesizer
Crystal Tuning
Circuitry and
+
VCO 3
VCO 1
Vref
31
10
30 29 28
11
Sequence
Generator
VCO 2
Charge
Pin Out
Frac-N
Pump
Voltage Controlled Oscillators
ANA_VDD
Regulator
Analog
12
EP
ANA_DEC
Reference Divider
13
/1 to /7
N Divider
Detector
Phase /
Freq
Regulator
27 26
14
Digital
DIG_VDD
15 16
Mixer 1
Mixer 2
25
/1, /2, or /4
/1, /2, or /4
LO Divider 1
LO Divider 2
Mux
24
23
22
21
20
19
18
17 RFOP1N
LO Buffer 1
LO Buffer 2
RFIP1N
RFIP1P
RFIP2N
RFIP2P
RFIP2P
RFIP2N
ANA_VDD
NC
NC
DIG_VDD
RFOP1P
1:1
1:1
RFOP1N
RFOP1P
RFOP2P
RFOP2N
IP2
IP1
ANA_VDD
ANA_VDD
4:1
4:1
OP2
Rev A1 DS090106
OP1