RFPIC12C509AG Microchip Technology Inc., RFPIC12C509AG Datasheet - Page 40

• Manufacturer Part Number: RFPIC12C509AG
• Description: 18/20-pin 8-bit Cmos Microcontroller With Uhf Ask/fsk Transmitter
• Manufacturer: Microchip Technology Inc.

rfPIC12C509AG/509AF
FIGURE 7-5:
TABLE 7-4:
DS70031A-page 38
3900 pF
1500 pF
1000 pF
0.01 uF
Note 1: Standard Operating Conditions (unless otherwise stated) T
C1
C2
f
TRANSMIT
390 pF
100 pF
47 pF
18 pF
C2
EXAMPLE LOOP FILTER
CIRCUIT
EXAMPLE LOOP FILTER VALUES
R1
C1
= 433.92 MHz
1.5K
2.7K
4.7K
680
R1
rfPIC12C509AG
LF
Loop BW
1.05 MHz
165 kHz
360 kHz
610 kHz
Preliminary
Fn (natural
freq in Hz)
103 kHz
166 kHz
203 kHz
64 kHz
(1)
sampling delay)
Phase Margin
(not counting
A
65 deg
63 deg
55 deg
50 deg
= 25°C, RF
EN
©
= 1, V
2nd Order
damping
2001 Microchip Technology Inc.
factor
1.37
1.89
2.10
3.0
DDRF
= 3V,
Calculated
Lock Time
51 S
16 S
10 S
8 S