Micrel, Inc.

MICRF008

August 2008

5

M9999-080108

(symbolic) resistor RSC in the MICRF008 Simplified

Block Diagram. The Programmable LPF (Low Pass

Filter) is also illustrated in the MICRF008 Simplified

Block Diagram.

SEL0

Programmable LPF

Bandwidth (Hz)

Impedance (Ω)

1

2400

440k

0

4800

220k

Table 1. Nominal Characteristics

Programmable LPF Bandwidth

and CTH Source Impedance

Typical Characteristics

4

6

8

10

12

14

16

18

250

300

350

400

450

500

FREQUENCY (MHz)

Supply Current

vs. Frequency

T

V

0

2

4

6

8

10

12

14

16

18

-40 -20 0

20 40 60 80 100

TEMPERATURE (°C)

Supply Current

vs. Temperature

f = 315MHz

V