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TA0028 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Silicon Transceiver - RF Micro Devices

भाग संख्या TA0028
समारोह Silicon Transceiver
मैन्युफैक्चरर्स RF Micro Devices 
लोगो RF Micro Devices लोगो 
पूर्व दर्शन
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<?=TA0028?> डेटा पत्रक पीडीएफ

TA0028 pdf
TA0028
    
The RF2905/2915/2925 are quite similar products. All
support wireless applications with data rates less than
1MB/s using FSK or ASK digital modulation. The
RF2905/2925 also support linear modulation, allowing
Lock
VCC
VCC
TX Power Ctrl
+
their application in systems employing analog FM or
AM. All three products, as shown in Figures 1a & 1b,
utilize the same single conversion, superheterodyne
receiver architecture.
Ref Oscillator
Select (RX/TX)
13
PLL Enable
Rx Enable
Tx Enable
RF Rx/Tx
VCC
VCC
48 47 46 45 44 43 42 41 40 39 38 37
1
RX ENABL
2
TX ENABL
3
TX OUT
36
MOD CTRL
35
DIV CTRL
34
MOD IN
4
GND2
5
RX IN
33
GND4
32
VCC2
VCC
6
GND1
7
LNA OUT
31
RESNTR-
30
RESNTR+
8
GND2
9
MIX IN
10
GND5
11
MIX OUT+
29
VCC6
28
IF3 OUT-
27
DEMOD IN
Ceramic
FM Discriminator
26
DATA OUT
12
MIX OUT-
25
FM OUT
13 14 15 16 17 18 19 20 21 22 23 24
IF Filter
IF Filter
Modulus Control
Divider Control
Modulation In
Data Out
Analog Out
RSSI
Figure 1a. RF2905/2925 Functional Block Diagram
Mute
13-132
Copyright 1997-2000 RF Micro Devices, Inc.

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