sa604ad-01 NXP Semiconductors, sa604ad-01 Datasheet - Page 8

• Manufacturer Part Number: sa604ad-01
• Description: High Performance Low Power Fm If System
• Manufacturer: NXP Semiconductors

Philips Semiconductors
1997 Nov 07
High performance low power FM IF system
12
11
10
Figure 7. Second Limiter and Quadrature Detector
16
15
1
Figure 6. First Limiter Bias
42k
40k
1.6k
BPF
40k
42k
a. Terminating High Impedance Filters with Transformation to Low Impedance
BPF
HIGH IMPEDANCE
7k
V+
b. Low Impedance Termination and Gain Reduction
700 14
9
V+
Figure 9. Practical Termination
80k
40k
RESISTIVE LOSS INTO BPF
SR00316
SR00317
LOW IMPEDANCE
8
A
8
BPF
BPF
HIGH IMPEDANCE
Figure 8. Feedback Paths
BPF
BPF
Product specification
SA604A
SR00318
SR00319