sbos308b − 8月 2004 − 修订 十一月 2004
www.德州仪器.com
8
典型 特性: av
DD
= 3v
在 t
一个
= +25
°
c, 加载 阻抗 = 1k
Ω
在 各自 输出 至 地面, 除非 否则 指出.这 输入 至 这 preamp (lna) 是 单独的-结束; 前-放大
增益 是 fixed 在 +20db, f
在
= 2mhz, pg = 01, atn = 00, 和 这 输出 从 这 vca 是 差别的, 除非 否则 noted.
60
55
50
45
40
35
30
25
20
15
10
5
0
增益 vs VCA
CNTRL
(pg = 00)
VCA
CNTRL
(v)
增益 (db)
0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7
ATN = 01
ATN = 00
ATN = 10
ATN = 11
55
50
45
40
35
30
25
20
15
10
5
0
增益 vs VCA
CNTRL
(pg = 01)
VCA
CNTRL
(v)
增益 (db)
0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7
ATN = 01
ATN = 00
ATN = 10
ATN = 11
60
55
50
45
40
35
30
25
20
15
10
5
0
增益 vs VCA
CNTRL
(pg = 10)
VCA
CNTRL
(v)
增益 (db)
0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7
ATN = 01
ATN = 00
ATN = 10
ATN = 11
65
60
55
50
45
40
35
30
25
20
15
10
5
0
增益 vs VCA
CNTRL
(pg = 11)
VCA
CNTRL
(v)
增益 (db)
0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7
ATN = 00
ATN = 10
ATN = 11
ATN = 01
2.0
1.5
1.0
0.5
0
−
0.5
−
1.0
−
1.5
−
2.0
增益 错误 vs V
CNTRL
(pg = 00)
V
CNTRL
(v)
增益 错误 (db)
0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7
ATN = 00
ATN = 01
ATN = 10
ATN = 11
2.0
1.5
1.0
0.5
0
−
0.5
−
1.0
−
1.5
−
2.0
增益 错误 vs V
CNTRL
(pg = 01)
V
CNTRL
(v)
增益 错误 (db)
0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7
ATN = 01
ATN = 00
ATN = 10
ATN = 11
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