RFFC5061 Datasheet, PDF (11/25 Pages) RF Micro Devices – WIDEBAND SYNTHESIZER/VCO WITH INTEGRATED 6GHz MIXER

RFFC5061/62
Detailed Functional Block Diagram
+3V
OP2
Ext LO
RFXF8553
4:1 Balun
RFXF9503
1:1 Balun
IP2
Mixer 2
Pre-
Loop
scaler
Filter
+3V
Sequence
generator
N
divider
Phase
detector
/2ⁿ
[n=0..5]
51K
+3V
Control
Lines
3-Wire
Serial
Bus
MODE
ENBL
RESET
ENX
SDATA
SCLK
Reference
divider
GPO
Xtal oscillator
& tuning
Lock
Flag
Mixer 1
OP1
RFXF8553
4:1 Balun
IP1
RFXF9503
1:1 Balun
RFFC5061 Only
Note: Wideband transmission line transformer baluns shown above for operation to ~2.5GHz. Substitute baluns for higher fre-
quency applications as required.
DS110614
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at ([phone] or [e-mail].
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