国产一区二区三区视频精品-国产一区二区三区视频在线观看-国产一区二区三区四区五区-国产一区二区三区四区五区精品-国产一区二区三区无码免费-国产一区二区三区在线

1MHz至6400MHz的頻率范圍
－3至＋7dBm的輸出水平
1Hz頻率分辨率，DDS相位連續(xù)切換
卓越的相位噪聲和亂真輸出指標(biāo)
3－20μs的切換時(shí)間
完全的BCD或GPIB可編程遙控
低功耗，高穩(wěn)定性，三年質(zhì)保

Frequency 
Range: 1.000 000 0 MHz to 6399.999 999 9 MHz
Resolution: 1 Hz
Accuracy same as frequency standard
Control: manual by keyboard and LCD;
remote by TTL-level parallel entry BCD or GPIB (optional)

Switching Time

(to within 0.1 radian at new frequency)
1 GHz - 10 MHz digit: 20 μseconds
1 MHz digit: 5 μseconds
100 KHz - 1 Hz digit: 1 μsecond transient, 2 μsecond delay

Phase-Continuous  Switching Range:

100 KHz through 1 Hz digits
(~1 MHz bandwidth)

Output

Level: -3 to +7 dBm (500mV max., 50Ω)
Flatness: ±1.0 dB
Impedance: 50 Ω
Control: manual by front panel control; remote by analog
voltage
Connector: SMA female

Spurious Outputs

(at full power output, +7 dBm)
Discrete: -60 dBc 1 -3200MHz
-55 dBc 3200 -6400 MHz
Subharmonics: -45 dBc 1600 -6400 MHz
Harmonics: -30 dBc
Phase Noise: -60 dBc (0.5 Hz to 15 KHz) including effects of
internal standard
L (1Hz):
1600 - 3200 MHz: 100 Hz/ -99dBc, 1 KHz/-108 dBc, 10 KHz/-116 dBc,
100 KHz/-118 dBc
Noise Floor:
1600 - 3200 MHz: -136 dBc/Hz
L (1Hz) & Noise Floor:
1 -1600MHz: improved by 6 dB
3200 - 6400 MHz: degraded by 6 dB

Frequency Standard

Internal:

   OCXO            or                    TCXO 
3 x 10-9/day                     1 x 10-8/day
±1 x 10-8/0 - 50oC        ±1 x 10-6/0 - 50oC
1 x 10-6/year                   2 x 10-6/year

External:

10 MHz, 0.4-2.0 Vrms into 300 Ω;
5 MHz, 0.5-2.0 Vrms into 300 Ω }BNC Connector
Aux. Output: 10.000 MHz, 0.4 Vrms into 50 Ω
(Note: internal or external standard required for operation)

General

Operating Ambient: 10 - 45oC, 95% R.H.
Power: 105 - 125V, 50 - 60 Hz, 70W (100, 220, 240V optional)
Dimensions: 19 x 5.25 x 18 inches (relay rack or bench cabinet)
Weight: 40 lbs

美***PTS公司（Programmed Test Source,Inc.）是***際知名的高性能頻率合成器（頻率綜合器）的生產(chǎn)商，具有品質(zhì)可靠、切換迅速、相位噪聲低、產(chǎn)品線齊全等特點(diǎn)，是眾多知名企業(yè)如A.D.，G.E.，Motoroal，Philips，Siemens，Toshiba等的合作伙伴。頻率合成器是以***個(gè)精確度、穩(wěn)定度極好的石英晶體震蕩器作為基準(zhǔn)頻率，利用加、減、乘、除等基本運(yùn)算技術(shù)，以獲得與石英晶體震蕩器同等精確度和穩(wěn)定度的大量離散頻率信號(hào)的設(shè)備。它廣泛應(yīng)用于通訊設(shè)備、雷達(dá)、導(dǎo)航、頻率時(shí)間標(biāo)準(zhǔn)等各個(gè)技術(shù)領(lǐng)域。例如，在各種精密儀表中，頻率合成器能提供高分辨率、低噪聲（相位噪聲）的信號(hào)，以適應(yīng)各種精密測(cè)量的需要。