LT1228I 查看數據表（PDF） - Linear Technology
零件编号
产品描述 (功能)
生产厂家
LT1228I Datasheet PDF : 22 Pages
| |||
LT1228
TYPICAL APPLICATIONS
RF AGC Amplifier (Leveling Loop)
RF INPUT 10k
0.6VRMS to 1.3VRMS
25MHz
15V
3+ 7
100 Ω
gm
2–
5
300Ω
10k
0.01µF
1+
CFA
8–
4
–15V
4pF
10k
470Ω
10Ω
OUTPUT
2VP–P
0.01µF
10k
15V
A3
LT1006
–15V
10k
100k
AMPLITUDE
ADJUST
1N4148’s
COUPLE THERMALLY
4.7k
–15V
LT1004
1.2V
LT1228 • TA20
Inverting Amplifier with DC Output Less Than 5mV
V+
2–
7
gm
3+
4
5
R5
+
100µF
1+
CFA
8–
6
VO
V–
RF
1k
VS = ±5V, R5 = 3.6k
VS = ±15V, R5 = 13.6k
VOUT MUST BE LESS THAN
RG
1k
200mVP–P
BW = 30Hz
FOR LOW OUTPUT
TO 20MHz
OFFSET VIN
INCLUDES
DC
LT1228 • TA21
Amplitude Modulator
5V 4.7µF
3+ 7
CARRIER
INPUT
30mV
gm
2–
5
4
10k
4.7µF +
1+
CFA
6
1k 8 –
RF
750Ω
–5V
MODULATION
INPUT ≤ 8VP–P
RG
750Ω
VOUT
0dBm(230mV) AT
MODULATION = 0V
LT1228 • TA22
RELATED PARTS
PART NUMBER
LT1227
LT1251/LT1256
LT1399
DESCRIPTION
140MHz Current Feedback Amplifier
40MHz Video Fader
400MHz Current Feedback Amplifier
COMMENTS
1100V/µs Slew Rate, 0.01% Differential Gain, 0.03% Differential Phase
Accurate Linear Gain Control: ±1% Typ, ±3% Max
800V/µs Slew Rate, 80mA Output Current
22 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
1228fd
LT 0612 REV D • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 2012
Share Link: 