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參數(shù)資料
| 型號： | AD8345ARE |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 衰減器 |
| 英文描述： | 250 MHz.1000 MHz Quadrature Modulator |
| 中文描述： | 140 MHz - 1000 MHz RF/MICROWAVE QUADRAPHASE MODULATOR |
| 封裝： | MO-153ABT, TSSOP-16 |
| 文件頁數(shù)： | 5/16頁 |
| 文件大?。?/td> | 372K |
| 代理商： | AD8345ARE |
REV. 0
AD8345
–5–
Typical Performance Characteristics
–
LO FREQUENCY – MHz
0
250
S
–2
–4
–6
–8
–10
–12
–14
–16
–18
–20
300 350 400 450 500 550 600 650 700 750 800 850 900 9501000
V
S
= 2.7V, DIFFERENTIAL INPUT = 200mV p-p
V
S
= 5V, DIFFERENTIAL INPUT = 1.2V p-p
TPC 1. Single Sideband (SSB) Output Power (P
OUT
) vs. LO
Frequency (F
LO
). (I and Q Inputs Driven in Quadrature at
Baseband Frequency (F
BB
) = 1 MHz; T
A
= 25
°
C)
BASEBAND FREQUENCY
–
MHz
0.1
O
–
–
5.5
1
10
100
V
S
= 2.7V, 5V DIFFERENTIAL INPUT = 200mV p-p
V
S
= 5V, DIFFERENTIAL INPUT = 1.2V p-p
–
5.0
–
4.5
–
4.0
–
3.5
–
3.0
–
2.5
–
2.0
–
1.5
–
1.0
–
0.5
0.0
0.5
1.0
TPC 2. I and Q Input Bandwidth. (T
A
= 25
°
C, F
LO
= 800 MHz,
LO Level = –2 dBm, I and Q Inputs Driven in Quadrature)
TEMPERATURE
–
C
–
40
S
–
–
26
0
40
80
V
S
= 5V, DIFFERENTIAL INPUT = 1.2V p-p
V
S
= 2.7V, DIFFERENTIAL INPUT = 200mV p-p
–
24
–
22
–
20
–
18
–
16
–
14
–
12
–
10
–
8
–
6
–
4
–
2
0
–
20
20
60
TPC 3. SSB P
OUT
vs. Temperature. (F
LO
= 800 MHz, LO
Level = –2 dBm, F
BB
= 1 MHz, I and Q Inputs Driven in
Quadrature)
LO FREQUENCY
–
MHz
250
S
–
500
800
T
A
= +85 C
–
16
–
14
–
12
–
10
–
8
–
6
–
4
–
2
0
350
650
950
300
400 450
550 600
700 750
850 900
1000
T
A
=
–
40 C
T
A
= +25 C
TPC 4. SSB Output 1 dB Compression Point (OP 1 dB) vs.
F
LO
. (V
S
= 2.7 V, LO Level = –2 dBm, I and Q Inputs Driven
in Quadrature, F
BB
= 1 MHz)
LO FREQUENCY
–
MHz
250
S
–
500
800
T
A
= +85 C
–
0.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
350
650
950
300
400 450
550 600
700 750
850 900
1000
T
A
=
–
40 C
T
A
= +25 C
4.0
TPC 5. SSB Output 1 dB Compression Point (OP 1 dB) vs.
F
LO
. (V
S
= 5 V, LO Level = –2 dBm, I and Q Inputs Driven in
Quadrature, F
BB
= 1 MHz)
LO FREQUENCY
–
MHz
250
C
–
500
800
V
S
= 5V, DIFFERENTIAL INPUT = 1.2V p-p
–
50
350
650
950
300
400 450
550 600
700 750
850 900
1000
–
49
–
48
–
47
–
46
–
45
–
44
–
43
–
42
–
41
–
40
V
S
= 2.7V, DIFFERENTIAL INPUT = 200mV p-p
TPC 6. Carrier Feedthrough vs. F
LO
. (LO Level = –2 dBm,
T
A
= 25
°
C)
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