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PDF MB15C101 Data sheet ( Hoja de datos )
| Número de pieza | MB15C101 | |
| Descripción | IF Band PLL Frequency Synthesizer | |
| Fabricantes | Fujitsu | |
| Logotipo |  |
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FUJITSU SEMICONDUCTOR
DATA SHEET
DS04-21215-3E
ASSP
IF Band
PLL Frequency Synthesizer
MB15C101
s DESCRIPTION
The Fujitsu MB15C101 is an exclusive Intermediate Frequency (IF) band Phase Locked Loop (PLL) frequency
synthesizer with pulse swallow operation. The reference divider and comparison divider have fixed divide ratios, so
that it is not required to set the divide ratios by a microcontroller externally.
It operates with a supply voltage of 3.0 V typ. and dissipates 1.0 mA typ.(270MHz) of current realized through the
use of Fujitsu’s CMOS technology.
The MB15C101 is ideally suitable for PHS systems.
s FEATURES
• Low power supply current: ICC = 1.0 mA typ. (VCC = 3 V, 270MHz)
• Pulse swallow function; Prescaler: 16/17
• Setting frequency (Selectable by Div input.)
– fosc = 19.2 MHz, fIF = 233.15 MHz (Div = “H”)
– fosc = 19.2 MHz, fIF = 259.20 MHz (Div = “L”)
• Lock detector
• Low power supply voltage: VCC = 2.4 V min.
• Wide operating temperature: Ta = –40 to +85°C
s PACKAGE
8-pin plastic SSOP
16-pad plastic BCC
(FPT-8P-M03)
(LCC-16P-M06)
1
1 page  
MB15C101
s ELECTRICAL CHARACTERISTICS
Parameter
Power supply current
Operating frequency
Input sensitivity
Input voltage
fin
OSCIN
fin
OSCIN
Div
Symbol
Recommended operating conditions unless otherwise noted.
Condition
Min.
Value
Typ.
Max.
Unit
ICC
PLL is locked.(270MHz)
VCC = 3.0 V, Ta = +25°C
0.1
1.0
2.0 mA
fin
AC coupling by 1000 pF
capacitor
50
– 270 MHz
fosc
AC coupling by 1000 pF
capacitor
3
– 26 MHz
Pfin
AC coupling by 1000 pF
capacitor
–10
–
+2 dBm
Vosc
AC coupling by 1000 pF
capacitor
0.5
–
– Vpp
VIH
–
VCC ×
0.7
–
–V
VIL
–
–
–
VCC ×
0.3
V
Input current
Input current
Output voltage
Div
OSCIN
Do
Output current
Do
High impedance cut off
current
Do
IIH – – – 1.0 µA
IIL
–
–1.0
–
– µA
IOSC
–
–100
–
100 µA
VOH VCC = 3.0 V, IOH=–0.3mA 2.6
–
–V
VOL VCC = 3.0 V, IOL= 0.3mA
–
– 0.4 V
IOH
VCC = 3.0 V, VOH = 2V,
Ta = +25°C
– –6.0 – mA
IOL
VCC = 3.0 V, VOL = 1V,
Ta = +25°C
– 6.0 – mA
IOFF 0 ≤ VDO ≤ VCC
– – 3 nA
5
5 Page 
MB15C101
s REFERENCE INFORMATION
1. Application Measurement
• Test Results
Lockup time ±1 kHz
Un lock → Lock
Power on → Lock
Reference leakage (∆f = 58 kHz)
Phase noise
(∆f = 1 kHz)
(∆f = 10 kHz)
(∆f = 100 kHz)
(∆f = 1 MHz)
VCC (V)
VCO
• Measurement Circuit
VCC = 3.0 V
1000 pF
fin
MB15C101
S.G
1000 pF OSCin
50 Ω
Results
2.3 ms
3.4 ms
–88.5 dBc
–88.0 dBc/Hz
–111.0 dBc/Hz
–118.0 dBc/Hz
–134.0 dBc/Hz
3.0 V
Discrete VCO (Kv = 3.5 MHz/V)
Lock Frequency = 274.0 MHz (fr = 58 kHz)
Loop Filter
18 Ω
18 Ω
18 Ω
Spectrum
Analyzer
R1
C1 R2
VCO
C3
C1 = 6800 pF
C2 = 0.068 µF
C2 C3 = 4800 pF
R1 = 3.0 kΩ
R2 = 3.9 KΩ
11
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet MB15C101.PDF ] | |
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