参数资料
型号: HCT9046
厂商: NXP Semiconductors N.V.
英文描述: PLL with bandgap controlled VCO
中文描述: 锁相环控制VCO的带隙
文件页数: 29/40页
文件大小: 240K
代理商: HCT9046
1999 Jan 11
29
Philips Semiconductors
Product specification
PLL with bandgap controlled VCO
74HCT9046A
General design consideration.
SUBJECT
PHASE
COMPARATOR
DESIGN CONSIDERATION
PLL locks on harmonics at
centre frequency
PC1
PC2
PC1
PC2
PC1
PC2
yes
no
high
low
f
r
= 2f
i
; large ripple content at
Φ
PCIN
= 90
°
f
r
= f
i
; small ripple content at
Φ
PCIN
= 0
°
Noise rejection at signal
input
AC ripple content when PLL
is locked
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