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參數資料
| 型號： | U2797B |
| 英文描述： | 1000-MHz Quadrature Modulator |
| 中文描述： | 1000 - MHz的正交調制器 |
| 文件頁數： | 2/13頁 |
| 文件大小： | 255K |
| 代理商： | U2797B |
TELEFUNKEN Semiconductors
U2797B
Rev. A1: 06.09.1995
2 (13)
Pin Description
SSO 20
GND
1
2
3
4
5
6
7
8
10
9
19
18
17
16
14
15
13
12
11
20
PD
GND
GND
GND
GND
Ph
adj
RF
O
V
S
V
S
BB
Ai
BB
Ai
BB
Bi
BB
Bi
LO
i
Ph
adj
V
S
S
PD
V
REF
GND
94 8186 e
U2790B–FS (SSO 20)
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19/20
Symbol
PD
GND
GND
RF
o
V
S
V
S
V
S
S
PD
BB
Ai
BB
Ai
BB
Bi
BB
Bi
V
REF
LO
i
GND
GND
GND
GND
Ph
adj
Function
Power down port
Ground
Ground
RF output
Supply voltage
Supply voltage
Supply voltage
Settling time power down
Baseband input A
Baseband input A inverse
Baseband input B
Baseband input B inverse
Reference voltage (2.5 V)
LO input
Ground
Ground
Ground
Ground
Phase adjustment (not necessary for
regular applications)
Absolute Maximum Ratings
Parameters
Symbol
V
S
V
i
T
j
T
stg
Value
6
0 to V
S
125
–40 to +125
Unit
V
V
°
C
°
C
Supply voltage
Input voltage
Junction temperature
Storage temperature range
Pins 5, 6 and 7
Pins 9, 10, 11, 12, 14 and 15
Operating Range
Parameters
Pins 5, 6 and 7
Symbol
V
S
T
amb
Value
4.5 to 5.5
–40 to +85
Unit
V
°
C
Supply voltage range
Ambient temperature range
Thermal Resistance
Parameters
SSO 20
Symbol
R
thja
Value
140
Unit
K/W
Junction ambient
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