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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： | 14/20頁 |
| 文件大小： | 524K |
| 代理商： | NP2T |
14
SL1925
Preliminary Information
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 MH
z
Characteristic
Value
Min
Typ
Max
Units
Conditions
Pin
Baseband amplifier output
impedance
Baseband amplifier output
limiting
Baseband amplifier 1dB
bandwidth
Baseband output roll off
18,25
20
18,25
2.0
Vp-p
pk-pk level at hard clipping.
Load as in Figure 3.
Load as in Figure 3.
18,25
40
MHz
18,25
6
dB/oct
Above 3dB point, no load
Notes : 1. Systems specifications refer to total cascaded system of front end converter/AGC stage and baseband amplifier stage
with nominal 6dB pad as interstage filter and load impedance as in Figure 3.
2. AGC set to deliver output amplitude of 108dB
μ
V on desired channel, input frequency fc and amplitude of 79dB
μ
V, with
two interferers of frequencies fc+146 and fc+155MHz at 97dB
μ
V generating output intermodulation spur at 9MHz.
40MHz 3dB bandwidth interstage filter included.
3. AGC set to deliver output amplitude of 108dB
μ
V on desired channel, input frequency fc and amplitude 79 dB
μ
V, with
two interferers of frequencies fc+110 and fc+211MHz at 97 dB
μ
V generating output intermodulation spur at 9MHz.
40MHz 3dB bandwidth interstage filter included.
4. Two tones within RF operating frequency range at 97dB
μ
V, conversion gain set at 4dB.
5. The level of 2.01GHz downconverted to baseband relative to 1.01 GHz with the oscillator tuned to 1 GHz, measured
with no input filtering.
6. The level of second harmonic of 1.01 GHz input at -25 dBm downconverted to baseband relative to 2.01 GHz at -40 dBm
with the oscillator tuned to 2 GHz, measured with no input filtering.
7. Two tones within operating frequency range at 77dB
μ
V.
Characteristic
Value
Min
Max
Units
Conditions
Pin
Absolute Maximum Ratings
All voltages are referred to Vee at 0V (pins 5,8,11,15,17,20,26,28)
Supply Voltage, Vcc
PSout &PSoutb DC offset
RF & RFB input voltage
All other I/O ports DC offset
2,13,23
3,4
21,22
1,6,7,9
10,12
14,16
18,19
24,25,27
-0.3
Vcc-3.0
7
V
Transient condition only
Vcc+0.3
2.5
Vcc+0.3
Vp-p
Vp-p
V
AC coupled, transient conditions only
-0.3
Storage Temperature
Junction Temperature
NP28 package
Thermal resistance
Chip to ambient
Chip to case
Power consumption at 5.25V
ESD protection
-55
+150
+150
°
C
°
C
85
20
893
°
C/W
°
C/W
mW
kV
All
4
Mil Std-883 latest revision method 3015
class 1
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