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ML13176 View Datasheet(PDF) - LANSDALE Semiconductor Inc.

Part Name
Description
Manufacturer
ML13176
LANSDALE
LANSDALE Semiconductor Inc. LANSDALE
ML13176 Datasheet PDF : 16 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
ML13175
ML13176
UHF FM/AM Transmitter
Legacy Device: Motorola MC13175, MC13176
The ML13175 and ML13176 are one chip FM/AM transmitter subsys-
tems designed for AM/FM communication systems. they include a
Colpitts crystal reference oscillator, UHF oscillator, ÷ 8 (ML13175) or
÷ 32 (ML13176) prescaler and phase detector forming a versatile PLL
system. Targeted applications are in the 260 to 470MHz band and 902
to 982 MHz band covered by FCC Title 47; Part 15. Other applica-
tions include local oscillator sources in UHF and 900 MHz receivers,
UHF and 900 MHz video transmitters, RF Local Area Networks
(LAN), and high frequency clock drivers. ML13175/76 offer the fol-
lowing 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
• (ML13175) fo = 8 x fref, (ML13176) fo = 32 x fref
• Operating Temperature Range - TA = -40° to +85°C
16
1
ML13175-5P
PLASTIC PACKAGE
CASE 751B
(SO–16)
CROSS REFERENCE/ORDERING INFORMATION
PACKAGE MOTOROLA LANSDALE
SO 16
SO 16
MC13175D
MC13176D
ML13175-5P
ML13176-5P
Note: Lansdale lead free (Pb) product, as it
becomes available, will be identified by a part
number prefix change from ML to MLE.
PIN CONNECTIONS
Figure 1. Typical Application as 320 MHz AM Transmitter
Osc
Tank
1
2
Coilcraft
150–05J08
3
0.165µ
4
(2)
VEE
0.1µ
5
6
150p
1.0k
7
8
AM Modulator
1.3k
16
S2
0.01µ
15
VEE
(1)
14
150p
Z = 50
RFout
f/N
13
RFC1
SMA
12
VCC
11
10 VEE
9
27k S1
0.1µ
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
100p
(ML13176)
VCC
30p
(ML13175)
ML13175–30p
ML13176–180p
ML13175
Crystal
3rd Overtone
40.0000 MHz
0.82µ
1.0k
0.01µ
ML13176
(3) Crystal
Fundamental
10 MHz VCC
NOTES: 1. 50 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. (ML13175); 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.
Page 1 of 16
www.lansdale.com
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