September 2002
5
MICRF102
Micrel
Typical Characteristics
0
10
15
20
25
100 200 300 400 500 600
CURRENT (mA)
V
PC
(mV)
Mark Current vs
PC Pin Voltage
-35
-30
-25
-20
-15
-10
-5
OUTPUT POWER (dBm)
Output Power vs
Страница 1: ...erformance super hetero dyne receivers The transmitter is designed to work with transmitter data rates from 100 to 20k bits per second The automatic tuning in conjunction with the external resistor in...
Страница 2: ...mit frequency divided by 32 Connect a crystal mode dependent between this pin and VSS or drive the input with an AC coupled 0 5Vpp input clock See Refer ence Oscillator Section in this data sheet 5 ST...
Страница 3: ...te 5 tbd dBm 433MHz Note 4 Note 5 tbd dBm Transmitted Power 315MHz tbd V m 433MHz tbd V m Harmonics Output Note 10 315MHz 2nd harm 46 dBc 3rd harm 45 433 MHz 2nd harm 50 dBc 3rd harm 41 Extinction Rat...
Страница 4: ...tion VPC 350mV Increasing the voltage on the PC pin will increase transmit power and also increase MARK supply current Refer to the graphs Output Power Versus PC Pin Voltage and Mark Current Versus PC...
Страница 5: ...102 Micrel Typical Characteristics 0 5 10 15 20 25 0 100 200 300 400 500 600 CURRENT mA VPC mV Mark Current vs PC Pin Voltage 35 30 25 20 15 10 5 0 5 0 100 200 300 400 500 600 OUTPUT POWER dBm VPC mV...
Страница 6: ...rol unit senses the antenna signal and con trols the PA bias current to regulate the antenna signal to the transmit power Functional Diagram TX Bias Control Varactor Device Antenna Tuning Control Powe...
Страница 7: ...citor values have been selected is the mean current with a 1kHz signal in the ASK pin Refer to the Electrical Characteristics for the current values Note 4 For much smaller antennas place a blocking c...
Страница 8: ...Application Test Circuit For Specification Verification Transmit Power The transmit power specified in this datasheet is normalized to a 50Ohm load The antenna efficiency will determine the actual ra...
Страница 9: ...180 0 60 0 120 0 150 0 150 0 120 0 60 0 30 0 0 0 Figure 7 Polar Elevation pattern at 315MHz The 0 degree plot is the radiation pattern in the plane of the transmitter PCB the 90 degree plot represents...
Страница 10: ...r 2002 MICRF102 Series Capacitor Calculation f 433 92 106 L 52 10 9 CVAR 5 10 12 CP 2 7 10 12 C f L C T T 1 4 2 587 10 2 2 12 C C C C C SERIES T VAR P SERIES 1 1 1 3 9 10 12 L1 52 10 9 f1 433 92 106 C...
Страница 11: ...2 Micrel Package Information 45 3 6 0 244 6 20 0 228 5 80 0 197 5 0 0 189 4 8 0 063 1 60 MAX SEATING PLANE 0 026 0 65 MAX 0 016 0 40 TYP 0 154 3 90 0 057 1 45 0 049 1 25 0 193 4 90 0 050 1 27 TYP PIN...
Страница 12: ...ww micrel com This information is believed to be accurate and reliable however no responsibility is assumed by Micrel for its use nor for any infringement of patents or other rights of third parties r...
