參數(shù)資料
型號(hào)： XR215A
廠商： Exar Corporation
英文描述： Monolithic Phase-Locked Loop
中文描述： 單片鎖相環(huán)
文件頁(yè)數(shù)： 14/32頁(yè)
文件大小： 331K
代理商： XR215A
XR-215A
14
Rev. 1.01
100H
1KHz
10KHz
Figure 11. XR-215A Op Amp Frequency Response
out
1
s
1K
in
3
c
A
V
= 100
F
R
F
= 1M
A
V
= 10
C
F
A
V
= 1
C
F
100
80
60
40
20
0
-20
100KHz
1MHz
10MHz
V
Frequency
VCO Sweep Input (Pin 12)
The VCO Frequency can be swept over a broad range by applying an analog sweep voltage, V
S
, to pin 12 (see
Figure 10.) The impedance looking into the sweep input is approximately 50 . Therefore, for sweep applications, a
current limiting resistor, R
S
, should be connected in series with this terminal. Typical sweep characteristics of the circuit
are shown in Figure 10.The VCO temperature dependence is minimum when the sweep input is not used.
CAUTION: For safe operation of the circuit, the maximum current, I
S
, drawn from the sweep terminal should be limited to
5mA or less under all operating conditions.
ON-OFF KEYING: With pin 10 open circuited, the VCO can be keyed off by applying a positive voltage pulse to the
sweep input terminal. With R
S
= 2k , oscillations will stop if the applied potential at pin 12 is raised 3 volts above its
open-circuit value. When sweep, sync, or on-off keying functions are not used, R
S
is not necessary.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XR-215A 制造商:EXAR 制造商全稱:EXAR 功能描述:Monolithic Phase Locked Loop
XR-215ACD 制造商:EXAR 制造商全稱:EXAR 功能描述:Monolithic Phase Locked Loop
XR-215ACP 制造商:EXAR 制造商全稱:EXAR 功能描述:Monolithic Phase Locked Loop
XR215CP 制造商:未知廠家 制造商全稱:未知廠家 功能描述:IC-PHASE LOCKED LOOP
XR-215CP 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog Phase-Locked Loop
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