DEMOBOARD-U3600BM Atmel, DEMOBOARD-U3600BM Datasheet - Page 6

• Manufacturer Part Number: DEMOBOARD-U3600BM
• Description: BOARD DEMO FOR U3600BM
• Manufacturer: Atmel
• Type: Cordless Phone ICr

Specifications of DEMOBOARD-U3600BM

• Contents: Board, Software and Documentation
• For Use With/related Products: U3600BM
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

FM deviation
With the shown components the following level will be generated. Some of the levels are already maximum values and
some values on some stages can be higher and are marked with rectangular brackets [..].
6.5 kHz
35.75 mVrms
2.2k
MIC
Demodulator
GDE = 1
(Bias 2 x diodes)
357.5 mVrms
[(2 Vpp(max)]
22k
MICO
220 nF
Gain = 3
357.5 mVrms
COIN
1120 Vpp
RXO
Compressor
(Bias 1.5V)
22 nF
1k
333 mVrms(max)
COUT
7.5k
100k
Conditions: AF frequency = 1 kHz, 25˚C, supply voltage 3.6V
4.7k
20 nF
2.2 nF
56 nF
196 mVpp
EXIN
69 mVrms
12k
LIMIN
100 mVpp = 35 mVrms
FM deviation
Expander
(Bias 1.5V)
V = 20
limiter
Earpiece-amp
2Vpp(max)
TXO
12k
4.5 mApeak
(typical 8 mApeak)
RECO1
RECO2
12 nF
15k
10k
IN1
1 nF
2.6 Vpp(max)
Minimum gain:
265 mVpp
Maximum gain:
6.78 Vpp
clipping at 5.5 Vpp
OUT
(Bias 1.5V)
4.7 nF
10k
MODIN
2.28 Vpp
FM deviation is also
slightly dependant on
country setting
USA-1/2, 5.2 kHz/V
TX synthesizer
Modulator
FM deviation
6.5 kHz
RFO