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OCXO referemce oscillator

Temperatureeffect (O to 45℃)

≤1×10^-7

Aging (35℃)

≤2×10^-7/year

DC voltmeter

0 to ±30 V

DC ammeter

0to ±10A

Operating modes

currentaveraging with PDC-adapted time constant,peak current measure-ment (positive andnegative)

Common-mode rejection

±30V

Resistance

50 mΩ

Receiver measurements

RFgenerator

Frequency ranges

810 to 826 MHz
860 to 885 MHz
1477 to 1501 MHz

Channelspacing

25 kHz

Resolution

1Hz

Frdquency drift

sameas reference frequency

Outputlevel

RF IN/OUT

RF OUT 2

-119 to -27 dBm

-70 to 0 dBm

Resolutionof level setting

0.1 dB

Level accuracy

RF IN/OUT
RF OUT 2

±1.5 dB
±2 dB

Carrier offset

≤-25dBc

Vectcr error

4°rms

Modulation

to RCR-STD27

Signal purity

Adjacent-channelleakage power

(BW=21 kHz)

≤-50 dB(50 kHz carrier offset)
≤-60 dB(100 kHz carrier offset)

Harmonics

≤-20 dBc

BER measurements

Synchronizationrange

0 to 10%

Meas.rangeafter synchronization

0 to 25%

Resolution

0.01%

Measured bit length

2240to 44800

Input transmission rate

≤-50kbit/s

Transmitter measurements

Receive section

Frequencyranges

915 to 956 MHz
1429to 1453 MHz

Channel spacing

25kHz

Frequency drift

sameas reference frequency

Input level

RF IN/OUT
RF IN 2

5 to 37 dBm
-20to -2 dBm

Meawurement ofadjacent-channel power

Meassurement range(BW=21kHz)

≥-53 dB(50 kHz carrier offset)
≥-63 dB(100 kHz carrier offset)

Inherent noise

RFIN/OUT
RF IN 2

≤-65 dBm
≤-75 dBm

VSWR

≤1.3(into 50Ω)

Time-axis meawurement

Resolution

1/2sybol(approx 12 μs)

Modulationmeawurements

Frequency offset measurement range

±4kHz

Frequency measurement accuracy

10 Hz + reference frequencydrift

Resolution

1Hz

Mldulation accuracy meas.range

0to 30%

Resolution

0.1%

Accuracy

meas.value≤2%rms

meas.value>2% rms

(1.0+reading×3%)%rms

(2.0+reading×3%)% rms

Inherent offset

(at-25 dBc carrier offset)

±2dB

Measurement of transmission rate

Measurement range

±5ppm

Resolution

0.1ppm

Interfaces

Remote control

IEC625-2(IEEE488)

Printer

Centronics(25-contact)

Data input

BNC,≤50 kbit/s

External reference input

BNC,TTL(CMOS)

Impedance

100 kΩ