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參數(shù)資料
| 型號： | AD6458ARS |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | GSM 3 V Receiver IF Subsystem |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PDSO20 |
| 封裝： | SSOP-20 |
| 文件頁數(shù)： | 7/12頁 |
| 文件大?。?/td> | 268K |
| 代理商： | AD6458ARS |
AD6458
–7–
REV. 0
V
GAIN
– Volts
–8
–9
–150
2.5
0.5
1.0
1.5
2.0
–11
–12
–13
–14
–10
V
POS
= 3.6V
T
A
= +85
°
C
V
POS
= 3.0V
T
A
= +85
°
C
V
POS
= 3.6V
T
A
= +25
°
C
V
POS
= 3.0V
T
A
= +25
°
C
V
POS
= 3.0V
T
A
= –25
°
C
V
POS
= 3.0V
T
A
= –40
°
C
I
)
Figure 11. Mixer Input 1 dB Compression Point vs. V
GAIN
,
V
REF
= 1.2 V, F
RF
= 83 MHz, F
IF
= 13 MHz
INTERMEDIATE FREQUENCY – dB
70
0
5
45
10
15
20
25
30
35
40
60
40
30
20
10
50
V
GAIN
= 0.2V
V
GAIN
= 1.0V
V
GAIN
= 1.5V
V
GAIN
= 2.25V
I
Figure 12. IF Amplifier and Demodulator Gain vs.
Frequency, T
A
= +25
°
C, V
POS
= 3.0 V, V
REF
=1.2 V
V
GAIN
– Volts
G
70
60
–10
0
2.5
0.5
1.0
1.5
2.0
30
20
10
0
50
40
T
A
= –40
°
C TO +85
°
C
Figure 13. IF Amplifier and Demodulator Gain vs.
V
GAIN
, T
A
= +25
°
C, V
POS
= 3.0 V, F
IF
= 13 MHz, V
REF
= 1.2 V
I
)
V
GAIN
– Volts
–5
–10
–60
0
2.5
0.5
1.0
1.5
2.0
–25
–40
–45
–50
–15
–20
–35
–30
–55
T
A
= –40
°
C
T
A
= –25
°
C
T
A
= +25
°
C
T
A
= +85
°
C
Figure 14. IF Amplifier/Demodulator Input 1 dB Compres-
sion Point vs. V
GAIN
, F
IF
=13 MHz, V
REF
= 1.2 V, T
A
= +25
°
C,
V
POS
= 3.0 V
IF FREQUENCY – MHz
12000
6000
00
100
10
R
20
30
40
50
60
70
80
90
10000
8000
4000
2000
R SHUNT, V
GAIN
= 2.2V
C SHUNT, V
GAIN
= 1.0V
R SHUNT, V
GAIN
= 1.0V
R SHUNT, V
GAIN
= 0.2V
C SHUNT, V
GAIN
= 2.2V
C SHUNT, V
GAIN
= 0.2V
3.5
3.0
2.5
2.0
1.5
1.0
0.5
C
Figure 15. IF Amplifier Input Impedance vs. Frequency,
T
A
= +25
°
C, V
POS
= 3.0 V, V
REF
= 1.2 V
GAIN VOLTAGE – Volts
1
0.8
0
0
2.5
0.5
1
1.5
2
0.2
–0.6
–0.8
–1
0.6
0.4
–0.4
–0.2
MIXER
E
IF AMP/DEMOD
Figure 16. AD6458 Gain Error vs. Gain Control Voltage,
Representative Part
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|---|---|
| AD6459 | 制造商:AD 制造商全稱:Analog Devices 功能描述:GSM 3 V Receiver IF Subsystem |
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