參數(shù)資料
型號(hào): XR2209
廠商: Exar Corporation
英文描述: Voltage-Controlled Oscillator
中文描述: 壓控振蕩器
文件頁(yè)數(shù): 7/20頁(yè)
文件大?。?/td> 187K
代理商: XR2209
XR-2209
Rev. 2.02
7
Timing Capacitor (Pins 2 and 3)
The oscillator frequency is inversely proportional to the
timing capacitor, C. The minimum capacitance value is
limited by stray capacitances and the maximum value by
physical size and leakage current considerations.
Recommended values range from 100pF to 100 F. The
capacitor should be non-polarized.
Typical
Operating
Range
-10
-15
-20
-5
Negative Supply (V)
Figure 5. Operating Range for Unequal Split Supply Voltages
+4
+6
+8
35
30
25
20
15
10
5
0
+10
+12
+14
of Activated Timing
8
10
12
14
16 18
20
22
24
26 28
Single Supply Voltage (V)
T
A
=25
°
C
25
20
15
10
5
0
Figure 6. Positive Supply Current, I+ (Measured at Pin 1) vs. Supply Voltage
R
T
=2k
R
=3k
T
R
T
=200k
P
P
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