MC1648 Motorola, MC1648 Datasheet - Page 8

• Manufacturer Part Number: MC1648
• Description: Voltage Controlled Oscillator
• Manufacturer: Motorola

MC1648
MOTOROLA
7
6
5
4
3
2
1
0
10
Figure 13. Power Output versus Collector Load
See test circuit, Figure 12, f = 100MHz
C3 = 3.0–35pF
Collector Tank
Oscillator Tank
L1 = 0.22 H
R = 50 –10k
R P of L1 and C1 = 11k @ 100MHz Resonance
L2 = 4 turns #20 AWG 3/16” ID
C2 = 1.0–7.0pF
TOTAL COLLECTOR LOAD (OHMS)
100
C1 = 1.0–7.0pF
1.0 F
Bias Point
L2*
C2
Figure 12. Circuit Used for Collector Output Operation
* Q L 100
Tank
1000
10
12
V CC2
7
+5.0V
V EE1
14
10,000
8
V EE2
8
1
Output
5
Figure 14. Power Output versus Collector Load
14
12
10
8
6
4
2
0
V CC1
AGC
10
0.1 F
R
L1
3
See test circuit, Figure 12, f = 10MHz
C3 = 470pF
Collector Tank
Oscillator Tank
C1
L1 = 2.7 H
R = 50 –10k
R P of L1 and C1 = 6.8k @ 10MHz Resonance
L2 = 2.7 H
C2 = 16–150pF
1.0 F
C3
1.2k
TOTAL COLLECTOR LOAD (OHMS)
0.01 F
100
+9.0V
+5.0V
C1 = 24–200pF
1000
BR1334 — Rev 4
HIPERCOMM
10,000