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Rf01 – Rainbow Electronics RF01 User Manual

Page 9

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RF01

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bands

IIP3

outl

IIP3 (LNA –6 dB gain) Out of band interferers

f-f

LO

> 4MHz

-12

dBm

CCR

Co-channel rejection BER=10

-2

with continuous

wave interferer in the channel

-7

dB

ACS

Adjacent channel
selectivity

BER=10

-2

with continuous

wave interferer in the
adjacent channel, mode 0,
channels at 134 kHz, BR=9.6
kbps,

δf

FSK

=30 kHz

23

dB

P

max

Maximum input
power

LNA: high gain

0

dBm

R

in

RF input impedance
real part (differential)
(Note 2)

LNA gain (0, -14 dB)
LNA gain (-6, -20 dB)

250

500

Ohm

C

in

RF input capacitance

1

pF

RS

a

RSSI accuracy

+/-5

dB

RSr

RSSI range

46

dB

C

ARSSI

Filter capacitance for
ARSSI

1

nF

RS

step

RSSI programmable
level steps

6

dB

RS

resp

DRSSI response time Until the RSSI output goes

high after the input signal
exceeds the pre-programmed
limit. CARRSI=5nF

500 µs

Note 1:

See the BER diagrams in the measurement results section for detailed information.

Note 2:

See matching circuit parameters and antenna design guide for information.

AC Characteristics (continued)

Symbol Parameter

Conditions/Notes

Min

Typ Max Units

f

ref

PLL reference frequency

(Note 3)

8

10 12

MHz

f

res

PLL frequency resolution

Depends on selected bands

2.5

7.5

kHz

t

lock

PLL lock time

Frequency error < 1kHz after

10 MHz step

20

us

t

st, P

PLL startup time

With running crystal oscillator

250

us

C

xl

Crystal load capacitance, see

crystal selection guide

Programmable in 0.5 pF

steps, tolerance +/-10%

8.5

16

pF

t

POR

Internal POR pulse width

(Note4)

After V

dd

has reached 90% of

final value

50 100

ms

t

sx

Crystal oscillator startup time

Crystal ESR < 100 Ohms

5

ms

t

PBt

Wake-up timer clock period

Calibrated every 30 seconds

0.96

1.08

ms

t

wake-up

Programmable wake-up time

1

5*10

11

ms

C

in, D

Digital input capacitance

2

pF

t

r, f

Digital output rise/fall time

15 pF pure capacitive load

10

ns

Note 3:

Using other than a 10 MHz crystal is not recommended because the crystal referred timing and

frequency parameters will change accordingly.

Note 4:

During this period, commands are not accepted by the chip.