Agilent Technologies 8935 Series Bedienungsanleitung PDF herunterladen (Seite 7)

Audio Source Specifications

(Applicable to both internal sources)

Frequency

Range: DC to 25 kHz

Accuracy: 0.025% of setting

Supplemental Characteristics

Minimum Resolution: 0.1 Hz

Output Level

Range: 0.1 mV to 4 Vrms

Maximum Output Current: 20 mA peak

Output Impedance: < 1.5 Ω (1 kHz)

Accuracy: ±2% of setting plus step size

Residual Distortion: 0.125%, (THD plus noise, for amplitudes

>200 mVrms), for tones 20 Hz to 25 kHz measured in an

80 kHz BW

Supplemental Characteristics

Step Size:

Level <0.01V: ±50 µV pk

Level <0.1V: ±0.5 mV pk

Level <1V: ±5 mV pk

Level <10V: ±50 mV pk

Offset in DC Coupled Mode: <50 mV

RF Tools Measurements

(All specifications are typical and assume the use of the E6554A

RF Tools Accessories Kit)

Swept Insertion Loss Test:

Frequency Range: 0.4 to 1000 MHz, 1.7 to 2.0 GHz

Swept Signal Level: –54 dBm to +10 dBm

Insertion Loss Accuracy: ±0.75 dB

Swept Gain Test:

Frequency Range: 0.4 to 1000 MHz, 1.7 to 2.0 GHz

Swept Signal Level: –54 dBm to +10 dBm

Swept Return Loss Test:

Frequency Range: 0.4 to 1000 MHz, 1.7 to 2.0 GHz

Swept Signal Level: –54 dBm to +10 dBm

Swept Return Loss Accuracy: ±2 dB ±10% of reading,

for readings between 0 dB and 30 dB

Cable Fault Test:

Cable Types Tested: Heliax, RG, Custom

Cable Length Range: 0 to 1000 feet, 0 to 300 meters

Distance Accuracy: ±5% of the cable length value entered

by the user

Precision Calibration

Option 012 / R12 Time Offset Precision Calibration

Cal factor accuracy +/- 21 nsec

General Specifications

Dimensions (H x W x D): 8.75 x 15.6 x 21.5 inches

(222 x 396 x 546 mm)

Weight: 49 lbs. (22 kgs)

Operating Temperature: 0° C to +55° C

Operating Humidity: <95% relative humidity, 0° C to 40° C

Storage Temperature: –40° C to +70° C

Power: 100 Vac to 240 Vac ±10%, 50 to 60 Hz, nominally 350 VA

Display Size: 9.7 cm x 13 cm, electroluminescent (EL)

Calibration Interval: Two years

Operating Altitude: 4500 m max

Supplemental Characteristics

Minimum Frequency Resolution: 1 Hz

Switching Speed: <150 ms to be within 100 Hz of the carrier

frequency

Leakage: At RF generator output levels <–40 dBm, typical

radiated leakage is <10 µV induced in a resonant dipole antenna

25 mm (1 inch) away from any surface. Spurious leakage levels

are typically <10 µV in a resonant dipole antenna 25 mm (1 inch)

away from any surface.

Side Panel Connectors

External Ref In:

Input Frequencies: 1, 2, 5, 10, and 15 MHz;

1x, 2x, 4x, 8x, and 16x chip clock

Input Level: >0.15 Vrms

10 MHz Ref Out:

Output Frequency: 10 MHz

Output Level: >0.5 Vrms

Waveform: Sine wave

Chip Clock - 1.2288 MHz Out:

Output Level: Nominally, TTL with 50 Ω impedance

Waveform: Square wave with ~50% duty cycle

16X Chip Clock - 19.6608 MHz Out:

Output Level: Nominally, TTL with 50 Ω impedance

Waveform: Square wave with ~50% duty cycle

Frame Clock Out:

Clock Selections: 20 ms, 26.67 ms, 80 ms, or 2.00 s

Output: ~800 ns pulse, 1.5 Vpk into 50 Ω

Even Second - Sync In: A positive edge starts CDMA frame

clocks and Pilot PN sequence generation

Trig Qualifier In: A rising edge is used to start the trigger

delay timer

Audio Out: Provides output signals from the audio frequency

generators

Audio In: A switchable (1 MΩ and 600 Ω) inputs to the

AF analyzer

Analog Modulation In: Provides an external modulation

(AM or FM) connection for the RF Generator

Scope Monitor Out: External output from the AF analyzer

External Scope Trig In: Provides an external trigger input

for the oscilloscope

Video Out: Provides a signal for any standard PAL monitor

(15.7 kHz scan rate)

Data In: Provides a data input to the CDMA generator

Base-band Out (I and Q): Provides buffered versions of

the I and Q drive signals from the CDMA generator

1 2 3 4 5 6 7 8

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