參數(shù)資料
型號(hào): MC12009
廠商: Motorola, Inc.
英文描述: MECL PLL COMPONENTS DUAL MODULUS PRESCALER
中文描述: 梅奇爾PLL元件雙分頻器
文件頁(yè)數(shù): 10/15頁(yè)
文件大?。?/td> 210K
代理商: MC12009
MC12009 MC12011 MC12013
10
MOTOROLA RF/IF DEVICE DATA
All Pulse Generators are EH 137 or equiv.
Pulse Generators 1 and 2:
PRF = 10 MHz
PW = 50% Duty Cycle
t + = t – = 2.0
±
0.2 ns
Pulse Generator 3:
PRF = 2.0 MHz
PW = 50% Duty Cycle
t + = t – = 5.0
±
0.5 ns
All resistors are + 1%.
All input and output cables to the scope are equal lengths of 50–ohm coaxial cable.
The 1950–ohm resistor at Pin 7 and the scope termination impedance constitute a 40:1 attenuator probe.
CT = 15 pF = total parasitic capacitance which includes probe, wiring, and load capacitance.
Vin
50
100
Vin
Pulse
Generator
#1
Pulse
Generator
#2
Pulse
Generator
#3
A
MC10109 or equiv.
(Scope Channel A)
50
950
VCC = +2.0 V
25
μ
F
13
12
11
10
9
15
14
5
4
0.1
μ
F
+
VEE = –3.0 V
8
MECL
to
MTTL
Trans–
lator
VBB
C
E5
E4
E3
E2
E1
1
6
16
0.1
μ
F
2
3
7
VEE = –3.0 V
CT
1950
Vout
Vout (Scope Channel B)
Q
Q
50
100
Vin
50
Vin
Vout
Figure 5. AC Test Circuit
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