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1999 Apr 14 41
Philips Semiconductors Product specification
Audio processor with head amplifier for VHS hi-fi TDA9605H
14.3 Setting line output level
The audio level can be set by selecting the external filter components connected to the emphasis noise reduction
pins 24 and 32 (pins EMPHL and EMPHR).
Table 40 Component values for setting the line output level
Note
1. Standard 50 kHz FM deviation at f = 1 kHz.
14.4 Test modes
Special test modes are implemented for testing, evaluation and measurement purposes. These test modes are available
when bit TEST = 1 and the test select function is enabled via five bits of the select byte (see Table 41). When selecting
test modes the normal input level setting is changed as defined by bits NIL3 to NIL0. Calibration may be lost when a not
listed test mode is selected.
LINE
OUTPUT
LEVEL
(1)
RESISTOR CONNECTED
BETWEEN
RESISTOR IN SERIES WITH CAPACITOR CONNECTED
BETWEEN
PINS 24 AND 23 PINS 32 AND 33 PIN 24 AND GROUND PIN 32 AND GROUND
−4.9 dBV 47 kΩ 47 kΩ 3.9 kΩ 4.7 nF 3.9 kΩ 4.7 nF
−5.7 dBV 43 kΩ 43 kΩ 3.6 kΩ 5.1 nF 3.6 kΩ 5.1 nF
−6.4 dBV 39 kΩ 39 kΩ 3.3 kΩ 5.6 nF 3.3 kΩ 5.6 nF
−7.2 dBV 36 kΩ 36 kΩ 3.0 kΩ 6.2 nF 3.0 kΩ 6.2 nF
−8.0 dBV 33 kΩ 33 kΩ 2.7 kΩ 6.8 nF 2.7 kΩ 6.8 nF
−8.8 dBV 30 kΩ 30 kΩ 2.4 kΩ 7.5 nF 2.4 kΩ 7.5 nF
−9.6 dBV 27 kΩ 27 kΩ 2.2 kΩ 8.2 nF 2.2 kΩ 8.2 nF
−10.6 dBV 24 kΩ 24 kΩ 2.0 kΩ 9.1 nF 2.0 kΩ 9.1 nF
−11.4 dBV 22 kΩ 22 kΩ 1.8 kΩ 10 nF 1.8 kΩ 10 nF