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schematic cmos
Which is BT version 1.1 or 2.0 ?
BT 2.0 is QPSK architecture.
Most bluetooth 1.0 is low IF and GMSK architecture, the IF frequency is 1MHz. And PLL is sigma delta because it is frequency hopping, short locking time.
gsm receiver sensitivity
What are relation of sensitivity, BER and SNR in GSM and DECT system? For example, in GSM receiver sensitivity is -99dBm, BER is 0.001 and C/I is 9dB, why C/I is 9dB?
What can prove that 9dB C/I ratio is enough for this system spec. ?
Thank you.
Re: The best LPE tools ?
Assura can extract inductance and mutual inductance.
calibre only RC extract.
I think Assura for RF design, Calibra for mixmode design.
I install IC50, LDV41, debussy 5.2 and synopsys 2002.05 in RH7.2, and copy the dirs to RH 8.0 can run.
But I update RH8.0 to Fedora, have some errors.
In run IC50 has below massage:
Incorrectly built binary which accesses errno or h_errno directly. Needs to be fixed.
synopsys too.
Debussy...
Bindkey soulation
1. cd to (your install IC50 dir) /tools.lnx86/dfII
2. make dir local
3. copy (your install IC50 dir)/tools.lnx86/dfII/sample/local/cdsinit to (your install IC50 dir)/tools.lnx86/dfII/local/.cdsinit
I have IC5.0 and LDV3.4.
I want run mix-signal (spectre-verilog).
I get the license error message below:
Verilog/spectre Mixed-Signal Interface 2.0
You could not obtain mixed-signal license 32140.
Please check license setup.
Error! ERROR (LM -2): encryption code in license file...
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