參數(shù)資料
型號: HSP50214VC
廠商: INTERSIL CORP
元件分類: 通信及網(wǎng)絡(luò)
英文描述: Programmable Downconverter
中文描述: SPECIALTY TELECOM CIRCUIT, PQFP120
封裝: MQFP-120
文件頁數(shù): 10/54頁
文件大?。?/td> 395K
代理商: HSP50214VC
10
FIGURE 6. INTERPOLATION SPECTRUM: INTERPOLATE BY 8 THE INPUT DATA WITH ZERO STUFFING; SAMPLE AT RATE R = f’
S
FIGURE 7. ALIAS PROFILE AND THE 85dB DYNAMIC RANGE BANDWIDTH
FIGURE 8. PROCESSOR BASED EXTERNAL IF AGC
FIGURE 9.
f
2f
10MHz
3f
15MHz
4f
20MHz
5f
25MHz
6f
30MHz
7f
8f
9f
10f
50MHz
f’
S
f’
S
/2
20MHz
f’s/4
10MHz
f’
S
/8
5MHz
3f’
S
/8
15MHz
5f’
S
/8
25MHz
7f’
S
/8
35MHz
3f’
S
/4
30MHz
THE INPUT DATA SPECTRUM SAMPLED AT RATE R = f
S
5MHz
35MHz
40MHz
45MHz
40MHz
DECIMATE BY 10 AND CIC FILTER; SAMPLE AT RATE R = f’
S
/10
8MHz
12MHz
16MHz 20MHz
24MHz
28MHz 32MHz
36MHz
40MHz
4MHz
2MHz
1MHz
3MHz
CIC FILTER ALIAS PROFILE
85dB DYNAMIC RANGE BANDWIDTH
CIC FILTER
FREQUENCY
RESPONSE
O.5MHz
4MHz
μ
PROC
THRESH
PDC
DAC
A/D
GCA
IF
INPUT
INPUT LEVEL
DETECTOR (24-BIT
ERROR VALUE)
INPUT
GATING
LOGIC
|X|
R
E
G
+
+
R
E
G
ACCUMULATOR
CLKIN
CLKIN
INPUT_THRESHOLD
INTEGRATION_INTERVAL
START
INTEGRATION_MODE
IN(13:0)
“0”
TO
μ
PROC
ADDR(2:0)
32
24
8
16
CONTINUOUS
SINGLE
R
E
G
M
U
X
COUNTER
Controlled via microprocessor interface.
HSP50214
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