Philips Semiconductors
Product specification
Double-balanced mixer and oscillator
NE/SA612A
C
*
12pF
T
5
5
CFU455
or Equivalent
612A
612A
Filter K&L 38780 or Equivalent
*C matches 3.5kΩ to next stage
T
4
4
a. Single-Ended Ceramic Filter
b. Single-Ended Crystal Filter
5
5
612A
612A
4
4
c. Single-Ended IFT
d.. Balanced Output
SR00104
Figure 6. Output Configuration
L
C
1
2
C
3
XTAL
C
1
8
7
6
5
8
7
6
5
8
7
6
5
612A
612A
612A
1
2
3
4
1
2
3
4
1
2
3
4
TC02101S
TC02111S
TC02121S
a. Colpitts Crystal Oscillator
(Overtone Mode)
c. Hartley L/C Tank Oscillator
b. Colpitts L/C Tank Oscillator
SR00105
Figure 7. Oscillator Circuits
5
1990 Sep 17
NXP [ NXP ]
