Agilent Technologies E6474A Manual de usuario descargar pdf (Pagina 8)

Digital RF receiver specifications

Frequency

Range

E6452C 824-849 MHz [819-854]

869-894 MHz [864-899]

E6450C 1850-1910 MHz [1845-1915]

1930-1990 MHz [1925-1995]

E6457C 832-870 MHz [827-875]

887-925 MHz [882-930]

E6453C 1710-1785 MHz [1705-1790]

1805-1880 MHz [1800-1885]

E6454C 1850-1910 MHZ [1845-1915]

1930-1990 MHZ [1925-1995]

E6456C 1850-1910 MHZ [1845-1915]

1930-1990 MHZ [1925-1995]

Frequency accuracy ± 1 ppm

with GPS time ± .05 ppm characteristic

synchronization

IF bandwidth

1.25 MHz

30 kHz, 200 kHz or 5MHz

Aging of TCXO ± 1 ppm/year

Amplitude

Accuracy

1.25 MHz IF bandwidth

± 1 dB; ± 0.5 dB typical

(20 – 30 °C, -40 to -100 dBm)

± 2 dB (0 – 55 °C, -40 to -100 dBm)

30 kHz IF bandwidth

± 1.5 dB; ± 0.5 dB typical

(20 – 30 °C, -40 to -100 dBm)

± 2.5 dB (0 – 55 °C, -40 to -100 dBm)

Noise figure 8 dB typical

Internally generated -120 dBm

spurious

Maximum safe +10 dBm, 20V DC

input level characteristics

1 dB compression point -15 dBm characteristic

Adjacent channel -25 dBm typical

desensitization

Adjacent channel 45 dB typical

rejection

Input/output

RF input 50 Ω type-N

Connectors

Computer RS-232 (DB9) Male

GPS RS-232 (DB9) Male

Power DC power jack 100 mils,

positive center

Miscellaneous

Operating 0 to 55 °C

temperature range

Storage -40 to 70 °C

temperature range

Dimensions 6 in x 3 5/8 in x 8 ∫ in

Weight 4.5 lbs

Power with 9-34 V DC, 9W

Internal GPS

1. Spectrum measurement allows tuning 5 MHz above and below specified

frequency ranges. These extended ranges are shown in brackets – []. The

performance is not specified in these ranges. Characteristic noise floor increase

is 2 dB with respect to specified range. Characteristic amplitude accuracy is

unchanged with respect to specified range.

2. E6450C, E6452C and E6457C have 1.25 MHz and 30 kHz IF bandwidths. E6453C

and E6454C have 1.25 and 200 kHz IF bandwidths. E6456C has 1.25 MHz and 5

MHz IF bandwidths.

3. Adjacent channel desensitization applies to the wideband mode (1.25 MHz IF

filter) and is defined as:

1 dB compression of tuned signal with interfering signal +/-1.25 MHz from tuned

signal.

4. Adjacent channel rejection applies to the narrowband mode (30 kHz IF filter) and

is defined as the suppression of an interfering signal +/-30 kHz away from the

tuned signal.

Note: Specifications describe warranted performance over the temperature range of

0 to 55 degrees Celsius and include a 30-minute warm-up from ambient conditions.

Typical and characteristic information provide useful information by giving non-war-

ranted performance parameters. Typical refers to test data at the fiftieth percentile

for a 25 degree Celsius room temperature. Characteristic information describes prod-

uct information for parameters that are either not subject to variation, non-measur-

able, verifiable through functional pass/fail tests, or as a matter of routine not

measured.

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