SLRC400 Datasheet, PDF (91/130 Pages) NXP Semiconductors – I·CODE Reader IC

Philips Semiconductors
I•CODE Reader IC
Product Specification Rev. 2.0 November 2001
SL RC400
14.3.2 AMPLIFIER
The demodulated signal has to be amplified with the variable amplifier to achieve the best performance. The
gain of the amplifiers can be adjusted by means of the register bits Gain[1:0]. The following gain factors are
selectable:
Register Setting
0
1
2
3
Gain Factor
(Simulation Results)
22
35
82
130
Gain Factor [dB]
(Simulation Results)
26.9
30.9
38.3
42.2
Table 14-1: Gain Factors for the Internal Amplifier
91
Preliminary