參數(shù)資料
型號(hào): CLC451AJP
英文描述: IC-PROG BUFFER
中文描述: 集成電路PROG緩沖區(qū)
文件頁(yè)數(shù): 11/12頁(yè)
文件大小: 198K
代理商: CLC451AJP
11
http://www.national.com
Where R
eq
is the transformed value of the load imped-
ance, (R
L
), and is approximated by:
Select the transformer so that it loads the line with a
value close to Z
o
, over the desired frequency range. The
output impedance, R
o
, of the CLC450 varies with
frequency and can also affect the return loss. The return
loss, shown below, takes into account an ideal
transformer and the value of R
o
.
The load current (I
L
) and voltage (V
o
) are related to the
CLC450’s maximum output voltage and current by:
From the above current relationship, it is obvious that an
amplifier with high output drive capability is required.
R
R
n
eq
L
2
=
Return Loss(dB)
20log
n
R
Z
10
2
o
o
V
n V
I
I
n
o
max
L
max
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