HA12181FP データシートの表示（PDF） - Renesas Electronics
部品番号
コンポーネント説明
メーカー
HA12181FP Datasheet PDF : 20 Pages
| |||
HA12181FP
Table of Pin Description and External Parts (cont.)
No.
of
pin
11
Name
Gate
Function
Gate
pulse
genera-
tion
DC
voltage
(V) (No
input)
4.5V
0
Equivalent circuit
11
External parts
No.
R503
C507
recom-
mended
value
180 K
2200 P
Influence of External
parts
Larger
than
recom-
Smaller
than
recom-
mended
value
mended
value
Gate
Gate
pulse
width
pulse
width
become
wider.
become
narrow.
12 Vth
Determi- 1.1
nation of
noise
detection
sensitivity
13
VCC
VCC
8.2
14 IF Det. IF AGC 3.3
detector
C507
2200p
R503
180k
12
R502
22k
—
R502
22 K
Higher
noise
detection
sensitivity.
Lower
noise
detection
sensitivity.
—
—
—
—
C503
0.01 µ —
—
15 AF
Time
0
AGC constant
for AF
AGC
16 IF in IF input 1.3
14
13
C503
0.01µ
15
C504
0.22µ
R505
47k
30k
16
C501
1000p
IF IN
R505
C504
47 K
0.22 µ
Longer
time to
stabilize
AGC.
Miss-
operation
in noise
detector.
IF Input
—
Coupling
Instability
Rev.2.00 Jun 15, 2005 page 5 of 19
Share Link: 