Time andfrequency reference

TCXO

standard

Nominalfrequency

10MHz

Temperfureeffect(0 to 35℃)

<1.5*10^-6

Aging

<0.5*10^-6/year

OCXO

optionCMD-B1

Nominalfrequency

10MHz

Temperatureeffect(0to 50℃)
Aging

1*10^-7
<5*10^-9/day or <2*10^-7/year

DE* signalgenerator

specificaitonsvalidfor N connector

Frequency

10 DECt chanels0 to 9

Additional DE*channels

-3 to -1,10 to12and half channels

Levelrange

-100 to-40dBm

Burstswitch-off

>30dB

Modulation

GFSK(B*T=0.5)

DE**yzer

specificationsvalid for N connector

Frequency
Level(setting for external offenuation and expected powershall bematching

same as signalgenerator

-10 to +30 todBm)

-65 to+30dBm(for level meter)
-30 to +30dBm(forbroadband FM demodulator and signalling),valuesshifted by about -40dB for input2

FMdemodulator

for TXpostprocessing and *og output

Range

0 to 450kHzdeviation

Resolution

1kHz

Levelmeter(transientresponse)

for TXposprocessing and *og output

Range

-65to 30 todBm

Dynamic

70dB

Analog DE*ADPCM interface

Output

balanced

Range

1V,300Hz to3kHz

S/N+THD

50dB offull-range level

Input

balanced

Range

50mV,300Hzto3kHz

S/N+THD

50dB atfull-range level

DCmeasurements

DCvoltmeter

0to±30V

DCammeter

0 to±30A

AFmeter

Frequencyrange

50Hzto10kHz

Inputvoltage

0.1mV to30V

Loadimpedance

1MΩ

AF distortionmeter

Frequencyrange

300Hz to3kHz

Inputvoltage

100mV to30V

Loadimpedance

1MΩ

AFcounter

Frequencyrange

20Hz to10kHz

Inputvoltage

10mVto30V

r*OLUTION

1Hz

Loadimpedance

1mΩ

60MHzcounter

Frequencyrange

10Khz to60MHz

Inputsignal

min:100mV;max:TTL signal

Resolution

1Hz

Loadimpedance

1MΩ‖100pF

AFgenerator

Frequencyrange

50Hzto10kHz

Resolution

0.1Hz

Accuracy

0.05Hz

Outputvoltage

10μVto5V

Max.current

20mA

Sourceimpedance

<5Ω

Mobile StationTester

GSM900

CMD50

1050.9008.50

GSM900

CMD52

1050.9008.52

GSM900 andCSM1800

CMD53

1050.9008.53

GSM900 andGSM1800

CMD55

1050.9008.55

GSM900,andGSM1800 and DE*

CMD65

1050.9008.65

For all modelGSM1900 optional

CMD-B19

1059.6201.02