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PDF MC13175 Data sheet ( Hoja de datos )
| Número de pieza | MC13175 | |
| Descripción | UHF FM/AM TRANSMITTER | |
| Fabricantes | Motorola Semiconductors | |
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Order this document by MC13175/D
UHF FM/AM Transmitter
The MC13175 and MC13176 are one chip FM/AM transmitter
subsystems designed for AM/FM communication systems. They include a
Colpitts crystal reference oscillator, UHF oscillator, ÷ 8 (MC13175) or ÷ 32
(MC13176) prescaler and phase detector forming a versatile PLL system.
Targeted applications are in the 260 to 470 MHz band and 902 to 928 MHz
band covered by FCC Title 47; Part 15. Other applications include local
oscillator sources in UHF and 900 MHz receivers, UHF and 900 MHz video
transmitters, RF Local Area Networks (LANs), and high frequency clock
drivers. The MC13175/76 offer the following features:
• UHF Current Controlled Oscillator
• Uses Easily Available 3rd Overtone or Fundamental Crystals for
Reference
• Fewer External Parts Required
• Low Operating Supply Voltage (1.8 to 5.0 Vdc)
• Low Supply Drain Currents
• Power Output Adjustable (Up to +10 dBm)
• Differential Output for Loop Antenna or Balun Transformer Networks
• Power Down Feature
• ASK Modulated by Switching Output On and Off
• (MC13175) fo = 8 x fref; (MC13176) fo = 32 x fref
MC13175
MC13176
UHF FM/AM
TRANSMITTER
SEMICONDUCTOR
TECHNICAL DATA
16
1
D SUFFIX
PLASTIC PACKAGE
CASE 751B
(SO–16)
Figure 1. Typical Application as 320 MHz AM Transmitter
Osc
Tank
Coilcraft
150–05J08
0.165µ
(2)
VEE 0.1µ
150p
1.0k
1
2
3
4
5
6
7
8
AM Modulator
1.3k
16 S2
0.01µ
15
VEE
14
(1)
150p
Z = 50Ω
RFout
f/N
13
RFC1
SMA
12 VCC
11
10 VEE
9
27k S1
0.1µ
100p
(MC13176)
VCC
30p
(MC13175)
MC13175–30p
MC13176–180p
MC13175
Crystal
3rd Overtone
40.0000 MHz
0.82µ
1.0k
0.01µ
MC13176
(3) Crystal
Fundamental
10 MHz VCC
NOTES: 1. 50 Ω coaxial balun, 1/10 wavelength at 320 MHz equals 1.5 inches.
2. Pins 5, 10 & 15 are ground and connected to VEE which is the component/DC ground plane
2. side of PCB. These pins must be decoupled to VCC; decoupling capacitors should be placed
2. as close as possible to the pins.
3. The crystal oscillator circuit may be adjusted for frequency with the variable inductor
3. (MC13175); recommended source is Coilcraft “slot seven” 7mm tuneable inductor, Part
3. #7M3–821. 1.0k resistor. Shunting the crystal prevents it from oscillating in the fundamental
3. mode.
PIN CONNECTIONS
Osc 1 1
NC 2
NC 3
Osc 4 4
VEE 5
ICont 6
PDout 7
Xtale 8
16 Imod
15
Out
Gnd
14 Out 2
13 Out 1
12 VCC
11 Enable
10 Reg.
Gnd
9 Xtalb
ORDERING INFORMATION
Device
Operating
Temperature Range
Package
MC13175D
TA = – 40° to +85°C
MC13176D
SO–16
SO–16
MOTOROLA RF/IF DEVICE DATA
© Motorola, Inc. 1998
Rev 1.1
1
1 page  
MC13175 MC13176
DOCUMENT CONTAINS SCANNED IMAGES WHICH
COULD NOT BE PROCESSED FOR PDF FILES. FOR
COMPLETE DOCUMENT WITH IMAGES PLEASE
ORDER FROM MFAX OR THE LITERATURE
DISTRIBUTION CENTER
MOTOROLA RF/IF DEVICE DATA
5
5 Page 
MC13175 MC13176
Figure 18. 320 MHz MC13176D FM Transmitter
Osc
Tank
1
Coilcraft
146–04J08
0.146µ
VCC = 3.8 to
3.3 Vdc
0.1µ
0.47µ 9.1k 15k
(2)
VEE
130k 620
33k
1.0k
18k
2N4402
100k
2
3
4
5
6
7
8
RF Level Adjust
1.1k
16
0.047µ
15
5.0k
VCC
CW
(1)
14
SMA
50Ω
13 510p
f/32 RFC1 (3)
12 VCC
11 27k VCC
10
0.47µ
9 VCC
RF Output
to Antenna
Data Input
(1.6 Vp–p)
51p
51p
220p
6.8 (4)
Crystal
Fundamental
(5)
10 MHz
NOTES: 1. 50 Ω coaxial balun, 2 inches long.
2. Pins 5, 10 and 15 are grounds and connnected to VEE which is the component’s side ground plane.
These pins must be decoupled to VCC; decoupling capacitors should be placed as close as possible to the pins.
3. RFC1 is 180 nH Coilcraft surface mount inductor or 190 nH Coilcraft 146–05J08.
4. Recommended source is a Coilcraft “slot seven” 7.0 mm tuneable inductor, part #7M3–682.
5. The crystal is a parallel resonant, fundamental mode calibrated with 32 pF load capacitance.
Figure 19. 320 MHz NBFM Transmitter
RF Level Adjust
Osc
Tank
1
VCC
4700p
130k 6.2k
33k
Coilcraft
146–04J08
0.146µ
0.1µ
9.1k 15k
1.0k
2N4402
(2)
VEE
15k
2
3
4
5
6
7
8
1.0k 5.0k
16 VCC
0.047µ
15
CW
(1)
14 SMA
UT–034
RF Output
to Antenna
13 470p
f/32 RFC1 (3)
12 VCC (3.6 Vdc – Lithium Battery)
11 27k VCC
10
0.47µ
9
VCC RFC2
VCC
External
Loop Amp
100p
180p
(6)
Crystal
Fundamental
10MHz
10p (4)
RFC3
(5) MMBV432L
NOTES: 1. 50 Ω coaxial balun, 2 inches long.
2. Pins 5, 10 and 15 are grounds and connnected to VEE which is the component’s side ground plane. These
pins must be decoupled to VCC; decoupling capacitors should be placed as close as possible to the pins.
3. RFC1 is 180 nH Coilcraft surface mount inductor.
4. RFC2 and RFC3 are high impedance crystal frequency of 10 MHz; 8.2 µH molded inductor gives XL > 1000 Ω..
5. A single varactor like the MV2105 may be used whereby RFC2 is not needed.
6. The crystal is a parallel resonant, fundamental mode calibrated with 32 pF load capacitance.
1.0k
10µ
+
0.01µ
Audio or
Data Input
MOTOROLA RF/IF DEVICE DATA
11
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet MC13175.PDF ] | |
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