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參數(shù)資料
| 型號(hào)： | MAMUSM0008TR |
| 英文描述： | JT 3C 3#20 SKT RECP |
| 中文描述： | 數(shù)字交換延遲線，一月八日至二月四日吉赫 |
| 文件頁(yè)數(shù)： | 5/6頁(yè) |
| 文件大?。?/td> | 730K |
| 代理商： | MAMUSM0008TR |
Digital Switched Delay Line, 1.8 - 2.4 GHz
MAMUSM0008
Specifications subject to change without notice.
n
North America:
Tel. (800) 366-2266
n
Asia/Pacific:
Tel.+81-44-844-8296, Fax +81-44-844-8298
n
Europe:
Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
Visit www.macom.com for additional data sheets and product information.
V 1.00
5
Control
Herein is described the control method for the
MAMUSM0008 Digital Delay Line. The information will
be aimed specifically at the use of the delay line mounted
on a M/A-COM test sample board. The same theory and
control scheme can be applied directly to the component by
itself.
This product allows the insertion of a variable electrical
delay between its two ports. The control consists of four
complimentary bit pairs (8 bits total). Each pair is given a
different letter, as shown in the table to the right:
Delay Line
Associated Letter
50 ps
A
100 ps
B
200 ps
C
400 ps
D
Note that each delay line has a pair named as follows:
CTL_A1 and CTL_A2, CTL_B1 and CTL_B2,
CTL_C1 and CTL_C2, CTL_D1 and CTL_D2.
D2 D1 C2 C1 B2 B1 A2 A1
hex
decimal
state
ps delay
10101010
AA
170
0
0
10101001
A9
169
1
50
10100110
A6
166
2
100
10100101
A5
165
3
150
10011010
9A
154
4
200
10011001
99
153
5
250
10010110
96
150
6
300
10010101
95
149
7
350
01101010
6A
106
8
40
01101001
69
105
9
450
01100110
66
102
10
500
01100101
65
101
11
550
01011010
5A
90
12
600
01011001
59
89
13
650
01010110
56
86
14
700
01010101
55
85
15
750
The above table illustrates the method of controlling the bits for the desired delay in pico seconds. The hex and decimal
representations are included for programming purposes. “1” denotes 5 volts and “0” denotes 0 volts. A given delay line is set
when bits 2 and bit 1 are set to 0 and 1 respectively. The given delay line is bypassed when the bits 2 and 1 are set to 1 and 0
respectively.
The “GND” pin on the test board header must be connected to the DC supply ground.
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