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U2760B Datasheet, PDF (3/14 Pages) TEMIC Semiconductors – CT2-RX/TX IC | |||
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U2760B
Pin Description
MX2/4in 1
MX2/4nin 2
MX3in 3
LIMITin 4
VCO1out 5
VCO1tank 6
VCO1ref 7
GNDvco/If 8
VCCvco/If 9
RXdata 10
QUAD 11
DEMODout 12
COMPin 13
COMPcab 14
Figure 2. Pinning
28 MX2out
27 RSSIout
26 MX1/3outp
25 MX1/3outn
24 TXenable
23 MX4outp
22 MX4outn
21 MX1in
20 VCC
19 GND
18 VCO2tank
17 VCO2ref
16 VCO2out
15 RXenable
Pin Symbol
Function
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 1 MX2/4in Mixer2/ Mixer4 input
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 2 MX2/4nin Mixer2/ Mixer4 ref. input
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 3
MX3in Mixer3 input
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 4 LIMITin Limiter/RSSI input
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 5 VCO1out VCO1 output (to PLL)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 6 VCO1tank VCO1 resonator
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 7 VCO1ref VCO1 resonator, to be blocked
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 8 GNDvco/lf Ground VCO, low frequency
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ parts
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 9 VCCvco/lf Power supply VCO/LF parts
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 10 RXdata RX data output
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 11 QUAD Quadrature filter
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 12 DEMODout Demodulator output
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 13 COMPin Comparator input
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 14 COMPcap Comparator blocking capacitor
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 15 RXenable RX enable
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 16 VCO2out VCO2 output (to PLL)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 17 VCO2ref VCO2 resonator, to be blocked
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 18 VCO2tank VCO2 resonator
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 19
GND Ground
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 20
VCC Power supply voltage
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 21 MX1in Mixer1 input
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 22 MX4outn Mixer 4 output n
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 23 MX4outp Mixer 4 output p
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 24 TXenable TX enable
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 25 MX1/3outn Mixer1/ Mixer3 output n
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 26 MX1/3outp Mixer1/ Mixer3 output p
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 27 RSSIout Signal strength output
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 28 MX2out Mixer2 output
Rev. A3, 05-Oct-98
3 (14)
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