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參數(shù)資料
| 型號： | CE5038 |
| 廠商： | Intel Corp. |
| 英文描述： | DVB-S2 Advanced Modulation Satellite Tuner |
| 中文描述： | DVB - S2的先進(jìn)調(diào)制衛(wèi)星調(diào)諧器 |
| 文件頁數(shù)： | 40/41頁 |
| 文件大?。?/td> | 463K |
| 代理商： | CE5038 |
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CE5038
Data Sheet
39
Intel Corporation
L.O. SSB phase noise
-84
-84
-108
dBc/Hz
dBc/Hz
dBc/Hz
@ 1 kHz offset
@ 10 kHz offset
@ 100 kHz offset
Measured either, at
baseband output of
10 MHz, PLL loop
bandwidth circa
15 kHz, or at
LOTEST output
14
.
-120
-110
-132
dBc/Hz
dBc/Hz
@ 1 MHz offset
Noise floor.
See
15
Measured at
LOTEST output.
L.O. integrated phase jitter
2
deg
LOTEST output amplitude
200
mVp-p
Test output enabled into 50
Ω
Baseband Filters
(specifications apply with both single-ended and differential load unless otherwise stated)
Bandwidth
4
40
MHz
See 2.4, “Baseband Filter“ on page 16.
Maximum load as specified
Bandwidth absolute tolerance
-5
+5
%
Filter bandwidth setting, fset, 8-35 MHz.
Slave oscillator enabled, see
16
Channel bandwidth match
-1
+1
%
Filter bandwidth settings 8-35 MHz
Characteristic response
All bandwidth settings, see Figure on
page 17
Channel gain match
Included in system gain match
Channel phase match
Output total harmonic distortion
-26
dBc
At 0.8 V p-p, single-ended. Maximum
load as specified
Output limiting
1.0
Vp-p
Level at hard clipping, single-ended.
Maximum load as specified
Synthesizer
Crystal frequency
4
20
MHz
See Table 19 on page 34.
External reference input
frequency
4
20
MHz
Sinewave coupled through 10 nF blocking
capacitor to pin XTAL. XTALCAP is left
open.
External reference drive level
0.2
0.5
Vp-p
Phase detector comparison
frequency
31.25
2000
kHz
Equivalent phase noise at
phase detector
-148
dBc/Hz SSB, within loop bandwidth. Phase
detector comparison frequency = 1 MHz
LO division ratio
240
32767
Maximum SCL clock rate
100
kHz
1. All power levels are referred to 75
Ω
and assume an ideal impedance match: 0 dBm = 109 dBmV. System specifications refer to
total cascaded system of converter/AGC stage and baseband amplifier/filter stage with maximum terminating load as specified in
“Recommended Operating Conditions” on page 36, with output amplitude of 0.5 Vp-p differential.
2. See Figure 8, RF gain adjust = +4 dB, prefilter = +4.2 dB and postfilter = 0 dB, RFG = 1, BA1 = 0, BA0 = 1, BG1 = 0, BG0 = 0
3. ’Baseband defined IM2’. AGC set to deliver an output of 0.5 Vp-p with an input CW @ frequency fc of -25 dBm. Two undesired
tones at fc+146 and fc+155 MHz @ -11 dBm generating output intermodulation spur at 9 MHz. Baseband filter at 22 MHz
bandwidth setting.
Characteristic
Min.
Typ.
Max.
Units
Conditions
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