User's Manual

MARQUARDT GmbH
Schloßstraße 16
D 78 604 Rietheim – Weilheim
First Draft 23.10.2009 Version 1.02
Department APDA1-RI File
Editor U. Schwalm Doc.-No.
Date 25.02.2010 Page Page8 von 10
Vehicle Key BR166 – technical Description
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form 659.02
 Settling time for the transmission frequency (PLL)
t
StartUp
= 500µs
t
lock
 200µs with Δf = 600kHz with f
error
 10kHz
 Modulation, baud rate:
Single channel operation: 10 kBaud Manchester keyless go
3-channel operation: 10 kBaud Manchester
Tolerances:  1.0 %
 Modulation type, range:
2-FSK: +/-15kHz to +/-17kHz basic key
2-FSK: +/-15kHz to +/-21kHz keyless go key
 Emitted interference
o Harmonics & spurious
315MHz: : -49dBm @  960MHz (*
: -41dBm @ > 960MHz (**
(* This reflects the limit of 200µV/m as per FCC section 15, with isotopic propagation
(**This reflects the limit of 500µV/m as per FCC section 15, with isotopic propagation
433.92MHz:
: -36dBm @ 1 GHz
 -30dBm @ > 1GHz
all frequency bands:
 -54dBm @ UKW & TV bands (EN300220)
47 -74MHz
87.5 –118MHz
174 –240MHz
470 – 862MHz
 Modulation quality:
Overshoot: Max. 100% of the nominal value
Max. duration of the overshoot:
 6µs at 10 kBaud
Build / fall times: 0 % to 100% nominal value:
 6µs at 10 kBaud
The shift times are determined with a measuring receiver, the reception bandwidth of which lies as close as
possible to the receiver in the application:
Remote Keyless Entry: BW
Rx
= 600kHz
Keyless go operation: BW
Rx
= 200kHz