MB15C703 Datasheet, PDF (7/16 Pages) Fujitsu Component Limited. – Built-in IF Band Voltage Controlled Oscillator Mask ROM Frequency Synthesizer

MB15C703
s REFERENCE CHARACTERISTICS
Parameter
Symbol
Condition
VCO variable range*¹ ∆f
VCO output level*²
SYN reference
leakage
SYN output S/N
SYN output C/N
(BW = 21 kHz)
Spurious
VVCO
Lef1
Lef2
S/N
C/N1
C/N2
Lsp1
Lsp2
Lsp3
Lsp4
Lsp5
Lsp6
Lsp7
Lsp8
Lsp9
Lsp10
Lock-up time
TLOCK
VCO operating
control voltage range
∆VCNT
VCOCNT voltage*³ VCNT
fVCO1 (at VCOCNT = 0.8 V) −
fVCO2 (at VCOCNT = 1.8 V)

∆±fr
∆± (fr × 2)
∆1 kHz
∆±50 kHz
∆±100 kHz
2^nd Harmonic (∆fVCO)
3^rd Harmonic (∆ (fVCO × 2) )
4^th Harmonic (∆ (fVCO × 3) )
Other (∆ (fVCO × 4) )
TRX band (∆ (fVCO × 5) )
TRX band (∆ (fVCO × 6) )




PLLPS “L” to “H”
fVCO within ± 300 Hz,
VVCOout = −12 ± 3 dBm

fO = 129.5 MHz/PLL Lock
*1: An capacitor connected to VCOTNKO should be max. 2.0 pF.
*2: Insert resistor with 1 kΩ between VCOout terminal and GND.
*3: An external components is not included.
[Measurement circuit]
VCOTNKI
VCOTNKO
12 pF
220 nH
510 kΩ
1.5 pF
DOPLL
(PLLVDD = VCOVDD = 2.5 V, Ta = +25 °C)
Min.
Value
Typ.
Unit
Max.

8

MHz

−12

dBm

−67

dBc

−72


−71

dBc

108

dBc/Hz

113


−3


−10


−20


−25


−30

dBc

−35


−45


−50


−50


−55


0.7

ms
0.5

VCOVDD
− 0.2
V

1.1

V
2200 pF
3.3 kΩ
3.3 kΩ
22000 pF
3000 pF
VCOCNT
7