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參數資料
| 型號： | NP2T |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Satellite Zero IF QPSK Tuner IC |
| 中文描述： | 衛星零中頻調制調諧器IC |
| 文件頁數： | 13/20頁 |
| 文件大小： | 524K |
| 代理商： | NP2T |
13
Preliminary Information
SL1925
Electrical Characteristics (continued)
These characteristics are guaranteed by either production test or design. They apply within the specified
ambient temperature and supply voltage unless otherwise stated.
T
amb
= -20
°
C to + 70
°
C, V
ee
= 0V, Vcc = 4.75V to 5.25V. Desired channel at fc MHz
Characteristic
Value
Min
Typ
Max
Units
Conditions
Pin
Converter output impedance
Converter output limiting
Converter bandwidth 1dB
Converter output roll off
1,14
1,14
25
1.2
50
0.1 to 30MHz. See Figure 12
No Load
No Load
0.5
40
6
Vp-p
MHz
dB/oct
1,14
Oscillator vcos operating range
Tanks/Tanksb
Oscillator vcov operating range,
Tankv/Tankvb
Local oscillator SSB phase noise
6,7
1900
3000
MHz
Giving LO = 950MHz to1500MHz
Application as in Figure 4.
Application as in Figure 4.
9,10
1450
2150
MHz
6,7
-80
-76
dBc/Hz
@ 10kHz offset PLL loop BW < 1kHz,
application as Figure 4. Measured at
baseband outputs of 10MHz
LO leakage to converter input
LOsel low voltage
LOsel high voltage
LOsel low current
LOsel high current
Prescaler output drive
21,22
24
24
24
24
3,4
59
69
0.6
dB
μ
V
V
V
μ
A
μ
A
dB
μ
V
Oscillator vcos enabled
Oscillator vcov enabled
Vcc-0.7
-50
200
88
Single ended into 50
. Synthesiser
should be driven differentially
Prescaler output impedance
Prescaler output return loss
BASEBAND AMPLIFIERS
Baseband amplifier input
impedance
Resistance
Capacitance
Baseband amplifier input referred
IP3
Baseband amplifier input referred
IP2
Baseband amplifier input referred
IM3
Baseband amplifier input referred
IM2
Baseband amplifier input referred
1dB compression (P1dB)
Baseband amplifier gain
3,4
3,4
50
dB
8
16,27
0.1 -30MHz bandwidth
10
k
pF
dB
μ
V
5
16,27
94
97
See Note 7
16,27
99
111
dB
μ
V
See Note 7
16,27
-40
-34
dBc
See Note 7
16,27
-34
-22
dBc
See Note 7
16,27
84
dB
μ
V
Terminated voltage gain into load as in
Figure 3.
Terminated voltage gain into load as in
Figure 3
16,18
27,25
30
dB
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