參數(shù)資料
型號(hào): AD9975ABST
廠商: ANALOG DEVICES INC
元件分類: 調(diào)制器/解調(diào)器
英文描述: Broadband Modem Mixed-Signal Front End
中文描述: MODEM-SUPPORT CIRCUIT, PQFP48
封裝: 1.40 MM HEIGHT, PLASTIC, MS-026BBC, LQFP-48
文件頁數(shù): 9/20頁
文件大小: 1392K
代理商: AD9975ABST
REV. 0
AD9975
–9–
2.5
–6
1.8
1.5
2.1
1.6
1.9
2.3
1.7
36
O
VGA GAIN – dB
–4 –2 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34
2.4
2.0
2.2
TPC 13. PGA Gain Step vs. Gain
1MHz
10MHz
100MHz
12.1MHz
0
LOG MAG
5dB/Div
–3.0dB
REF 0dB
TPC 14. Rx LPF Frequency Response, LPF =
Narrowband Rx Filter, F
ADC
= 50 MHz,
Tuning Target = 255
9.9MHz
1MHz
10MHz
100MHz
0
DELAY
10ns/Div
70.1ns
REF 0s
TPC 15. Rx LPF Frequency Response, LPF =
Wideband Rx Filter, F
ADC
= 50 MHz,
Tuning Target = 255
24.1MHz
1MHz
10MHz
100MHz
0
LOG MAG
REF 0dB
–3.0dB
5dB/Div
TPC 16. Rx LPF Group Delay, LPF = Narrowband
Rx Filter, F
ADC
= 50 MHz, Tuning Target = 255
22.1MHz
1MHz
10MHz
100MHz
0
DELAY
5 ns/Div REF 0s
33.9ns
TPC 17. Rx LPF Group Delay, LPF = Wideband Rx
Filter, F
ADC
= 50 MHz, Tuning Target = 255
123.5 kHz
0
LOG MAG
5dB/Div
REF 0dB
–3.00dB
10kHz
100kHz
1MHz
TPC 18. Rx HPF Frequency Response, F
ADC
= 50 MHz
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