TH72012

433MHz

ASK Transmitter

Page 11 of 21

REVISION 013 - JUNE 14, 2017

3901072012

4.5. AC Characteristics

all parameters under normal operating conditions, unless otherwise stated;

Parameter

Symbol

Condition

Min

Typ

Max

Unit

CW Spectrum Characteristics

Output power in step 0

(Isolation in off-state)

ENTX=1

-70

dBm

Output power in step 1

ENTX=1

-13

-12

-10

1)

dBm

Output power in step 2

ENTX=1

-3.5

-3

-1.5

1)

dBm

Output power in step 3

ENTX=1

2

3

4.5

1)

dBm

Output power in step 4

ENTX=1

4.5

8

10

1)

dBm

Phase noise

@ 200kHz offset

-88

-83

dBc/Hz

Spurious emissions according

to EN 300 220-1 (2000.09)

table 13

47MHz< f <74MHz

87.5MHz< f <118MHz

174MHz< f <230MHz

470MHz< f <862MHz

B=100kHz

-54

dBm

f < 1GHz, B=100kHz

-36

dBm

f > 1GHz, B=1MHz

-30

dBm

Start-up Parameters

Start-up time

from standby to

transmit mode

0.8

1.2

ms

Frequency Stability

Frequency stability vs. supply

voltage

3

ppm

Frequency stability vs.

temperature

crystal at constant

temperature

10

ppm

1) output matching network tuned for 5V supply

4.6. Output Power Steps

Power step

0

1

2

3

4

RPS / k

< 3

22

56

120

not connected