參數(shù)資料
型號(hào)： TLC2942IDBR
廠商： TEXAS INSTRUMENTS INC
元件分類： PLL合成/DDS/VCOs
英文描述： PHASE LOCKED LOOP, 20 MHz, PDSO38
封裝： PLASTIC, SO-38
文件頁(yè)數(shù)： 6/29頁(yè)
文件大小： 473K
代理商： TLC2942IDBR
TLC2942
HIGH-PERFORMANCE DUAL PHASE-LOCKED LOOP BUILDING BLOCK
SLAS146B – NOVEMBER 1996 – REVISED JUNE 1997
14
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 10
10
0
40
20
01
2
3
30
VCO OSCILLATION FREQUENCY
vs
VCO CONTROL VOLTAGE
VI (VCOIN) – VCO Control Voltage – V
–20
°C
25
°C
75
°C
VDD = 3 V
RBIAS = 4.3 k
–
VCO
Oscillation
Frequency
–
MHz
f osc
Figure 11
40
0
01
2
3
80
45
20
60
VCO OSCILLATION FREQUENCY
vs
VCO CONTROL VOLTAGE
VI (VCOIN) – VCO Control Voltage – V
–20
°C
25
°C
75
°C
VDD = 5 V
RBIAS = 3.3 k
–
VCO
Oscillation
Frequency
–
MHz
f osc
Figure 12
20
15
10
30
25
2
2.5
3.5
4
4.5
–
VCO
Oscillation
Frequency
–
MHz
VCO OSCILLATION FREQUENCY
vs
BIAS RESISTOR
VDD = 3 V
VCOIN = 1/2 VDD
TA = 25°C
f osc
RBIAS – Bias Resistor – k
3
Figure 13
40
30
20
60
50
1.5
2
2.5
3.5
–
VCO
Oscillation
Frequency
–
MHz
VCO OSCILLATION FREQUENCY
vs
BIAS RESISTOR
VDD = 5 V
VCOIN = 1/2 VDD
TA = 25°C
f osc
RBIAS – Bias Resistor – k
3
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