CIRCUIT DESIGN STD-502-R Operation Manual Download Page 4

OPERATION GUIDE

.

OG_STD-502-R_v09e

Circuit Design, Inc.

4

Electrical specification (Common)

Item

Specification

MIN

TYP

MAX

Unit

Remarks

Operating voltage

3.3

5.5

V

TX current

Vcc = 3.3 V

66

mA

at 10 mW

RX current

Vcc = 3.3 V

75

mA

TX/RX frequency
range

2.4 GHz band

2402.5

2478.5

MH

Refer to the frequency
table

Operating
temperature range

-20°C to + 65°C

-20

65

°C

No dew condensation

Storage
temperature range

-30°C to +90°C

-30

90

°C

No dew condensation

Aging rate

< +/- 1 ppm / year

-1

1

ppm

TX / RX Lo frequency

Initial frequency
tolerance

+/- 10 ppm within one
year from shipment

-10

10

ppm

Transmission frequency

Oscillation type

Fractional N PLL
controlled VCO

Frequency stability

+/- 10 ppm (-20 to +65°C)

-10

10

ppm

Reference temp. = 25 C

Channel spacing

1 MHz

1

MHz

Data bit rate

19.2 kbps

19.2

kbps

can be changed with the
command

Chip rate

288 kcps

288

kcps

can be changed with the
command

Number of chips

M-sequence
(111101010001100)

15

bit

PLL reference
frequency

26

26

MH

TCXO : NT2520SA

Electrical specification (Transmitter)

Item

Specification

MIN

TYP

MAX

Unit

Remarks

-10 to +55°C /all channels

10

mW

Output power

-20 to +65°C /all channels

2

TBD

Spurious emission

TBD

dBm

EN300 440-1 compliant

Adjacent channel power

TBD

dBc

EN300 440-1 compliant

Occupied frequency
bandwidth

TBD

kHz

EN300 440-1 compliant

Power on -> command reception

42

ms

Power on in the TX mode

Command reception -> TX

5

ms

Country code reception ->
stable RF output

Frequency change

3

ms

Command transmission ->
Stable RF output

RX to TX

2

ms

Terminal input -> Stable
operation

Actuation
time

Recovery from standby

1.2

ms

Standby

->

stable

RF

output

Summary of Contents for STD-502-R

Page 1: ...D 502 R_v09e Circuit Design Inc 1 Operation Guide Version 0 9 Feb 2013 CIRCUIT DESIGN INC 7557 1 Hotaka Azumino Nagano 399 8303 JAPAN Tel 0263 82 1024 Fax 0263 82 1016 e mail info circuitdesign jp http www circuitdesign jp ...

Page 2: ... and reliable radio communication in the congested 2 4 GHz ISM band The transceiver uses a transparent input output interface enabling users to use their own protocols In addition the transceiver can transmit data that includes long consecutive identical bits that cannot be transmitted with conventional radio modules 2 Features and applications Features Direct sequence spectrum DSSS True diversity...

Page 3: ...Vref 0 4 to Vref V UART 1 Interface for module setting Output RX D L 0 to 0 25 H Vref 0 4 to Vref V UART 1 RX data output DO L 0 to 0 25 H Vref 0 4 to Vref V RX data out using a transparent method 1 CLK for data input output CLK L 0 to 0 25 H Vref 0 4 to Vref V 1 TX data input DI L 0 to 0 25 H Vref 0 4 to Vref V TX data out using a transparent method 1 Diversity receiving antenna DIV L 0 to 0 25 H...

Page 4: ... Reference temp 25 C Channel spacing 1 MHz 1 MHz Data bit rate 19 2 kbps 19 2 kbps can be changed with the command Chip rate 288 kcps 288 kcps can be changed with the command Number of chips M sequence 111101010001100 15 bit PLL reference frequency 26 26 MHz TCXO NT2520SA Electrical specification Transmitter Item Specification MIN TYP MAX Unit Remarks 10 to 55 C all channels 10 mW Output power 20 ...

Page 5: ...hannels 93 dBm error rate 1 Receiver sensitivity BER 19 2 kbps 20 to 65 C all channels 93 dBm error rate 1 Blocking EN300 440 1 compliant 45 dBm 2 signal test 1 error Spurious radiation 1st Lo dBm Power on County code reception 42 ms Power on in the RX mode Command reception RX 5 ms Frequency change 3 ms Command reception RX start TX to RX 2 ms Terminal input Stable operation Actuation time Recove...

Page 6: ...IV Data receiving terminal L RF in H RF in out Input 0 0 25 Vcc 0 4 to Vcc 3 RST The initialization terminal for coincidence detection function The internal ASIC is reset with L level for more than 100 μs Normally set this terminal to H For details of the frame coincidence detection function refer to Frame coincidence detection function on page 16 Input 0 to 0 25 Vref 0 4 to Vref 4 TXD The input t...

Page 7: ...inal Inputs TX data in synchronization with the clock from the TX CLK Data should be set to the DI at the falling clock edge of the TX CLK Input 0 0 3 Vcc 0 4 to Vcc 8 TXRX SEL The terminal for switching the TX mode and RX mode Setting this terminal to L enables the TX mode and setting to H enables the RX mode Input 0 0 3 Vcc 0 4 to Vcc 9 NC Sets the STD 502 R into RF standby state Setting this te...

Page 8: ...53 5 13 0D 2415 5 52 34 2454 5 14 0E 2416 5 53 35 2455 5 15 0F 2417 5 54 36 2456 5 16 10 2418 5 55 37 2457 5 17 11 2419 5 56 38 2458 5 18 12 2420 5 57 39 2459 5 19 13 2421 5 58 3A 2460 5 20 14 2422 5 59 3B 2461 5 21 15 2423 5 60 3C 2462 5 22 16 2424 5 61 3D 2463 5 23 17 2425 5 62 3E 2464 5 24 18 2426 5 63 3F 2465 5 25 19 2427 5 64 40 2466 5 26 1A 2428 5 65 41 2467 5 27 1B 2429 5 66 42 2468 5 28 1C...

Page 9: ...OPERATION GUIDE OG_STD 502 R_v09e Circuit Design Inc 9 6 External dimensions ...

Page 10: ...equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help Labeling FCC ID V9X STD502R The proposed FCC ID label format is to be placed on the module If FCC ID is not visible when the module is installed into the system Contains FCC ID V9X STD502R shall be placed o...

Page 11: ...Part 2 Harmonized EN covering the essential requirements of article 3 2 of the R TTE Directive EN 301 489 17 Electromagnetic Compatibility and Radio spectrum Matters ERM Electromagnetic Compatibility EMC standard for radio equipment and services Part 17 Specific Conditions for Wideband Data and HYPERLAN Equipment EN 60950 1 Safety of Information Technology Equipment EN 62311 Assessment of electron...

Page 12: ...ed rating Short circuits and reverse connections may result in overheating and damage and must be avoided at all costs Ensure that the power supply has been switched off before attempting any wiring work The case is connected to the GND terminal of the internal circuit so do not make contact between the side of the power supply terminal and the case When batteries are used as the power source avoi...

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