sfg-1003數(shù)字合成信號源sfg-1003|固緯sfg-1003數(shù)字合成信號源的特點(diǎn): |
· dds technology and fpga chip design · frequency range:0.1hz~3mhz · high frequency accuracy : ∮ 20ppm · high frequency stability : ∮ 20ppm · max. frequency resolution :100mhz · low distortion sine wave:-55dbc,0.1hz~200khz |
sfg-1003數(shù)字合成信號源sfg-1003|固緯sfg-1003數(shù)字合成信號源的技術(shù)參數(shù):
sfg-1000 series, an economic function generator with high accuracy and high stability output, is designed based on the dds (direct digital synthesized) technology embedded in a large scale fpga. the frequency range of 3mhz and the output waveform se-lection of sine, square, triangle and ttl of sfg-1000 series adequately provide the fundamental features to ensure high confidence for the test results. the dds technology at an affordable price gives a high value solution to the users who need a signal source for accurate but unsophisticated measurement applications. | |
main | |
output function | sine, square, triangle |
frequency range(for sine, square) | 0.1hz~3mhz |
frequency range(for triangle) | 0.1hz~1mhz |
frequency resolution | 0.1hz maximum |
frequency stability | ∮ 20 ppm |
frequency accuracy | ∮ 20 ppm |
frequency aging | ∮ 5 ppm / year |
amplitude range | 10vp-p (into 50load) |
impedance | 50∮10 |
attenuator | -40db∮1db⊙1 |
dc offset | ?-5v°?+5v(into 50load) |
duty control range | 25% to 75% below 1mhz (square wave only) |
display | 6-digit led display |
output control | on/off se-lector |
sine wave | |
harmonics distortion | from amplitude control at maximum position without any attenuation to its 1/10 of any combination setting, ttl off-55dbc, 0.1hz ~ 200khz-40dbc, 0.2mhz ~ 2mhz-35dbc, 2mhz ~ 3mhz |
flatness (at maximum amplitude relative to 1khz) | ?∮0.3db, 0.1hz ~ 1mhz?∮0.5db, 1mhz ~ 2mhz?∮ 1db, 2mhz ~ 3mhz |
triangle wave | |
linear | ≠98,0.1hz°100khz;≠95,100khz°1mhz |
square wave | |
symmetry | 5% of period +4ns to 0.1hz°100khz |
rise or fall time | ?100ns at maximum output. (into 50load) |
ttl output | |
level | ≠3vpp |
fan out | 20 ttl load |
rise or fall time | ?25ns |
general | |
operation environment | indoor use, altitude up ~ 2000mambient temperature 0 ~ 40relative humidity: up to 80% at 0 ~ 40up to 70% at 35 ~ 40installation category iipollution degree 2 |
power source | ? |
? | ac 240v/220v/110v∮10%, 50/60hz |
storage condition | |
temperature | -10 ~ 70 |
humidity | 70% (maximum) |
accessories | |
? | user manual ⊙ 1power cord x 1gtl-101⊙ 1 |
dimension & weight | 251(w)⊙91(h)⊙291(d) mmapprox. 2.1kg |
sfg-2107數(shù)字合成信號源sfg-2107|固緯sfg-2107數(shù)字合成信號源
sfg-2110數(shù)字合成信號源sfg-2110|固緯sfg-2110數(shù)字合成信號源
sfg-2120數(shù)字合成信號源sfg-2120|固緯sfg-2120數(shù)字合成信號源
sfg-2104數(shù)字合成信號源sfg-2104|固緯sfg-2104數(shù)字合成信號源
sfg-2007數(shù)字合成信號源sfg-2007|固緯sfg-2007數(shù)字合成信號源
sfg-2004數(shù)字合成信號源sfg-2004|固緯sfg-2004數(shù)字合成信號源
sfg-1003數(shù)字合成信號源sfg-1003|固緯sfg-1003數(shù)字合成信號源
sfg-1013數(shù)字合成信號源sfg-1013|固緯sfg-1013數(shù)字合成信號源
sfg-1013數(shù)字合成信號源sfg-1013|固緯sfg-1013數(shù)字合成信號源的特點(diǎn): |
· dds technology and fpga chip design · frequency range:0.1hz~3mhz · high frequency accuracy : ∮ 20ppm · high frequency stability : ∮ 20ppm · max. frequency resolution :100mhz · low distortion sine wave:-55dbc,0.1hz~200khz · voltage display |
sfg-1013數(shù)字合成信號源sfg-1013|固緯sfg-1013數(shù)字合成信號源的技術(shù)參數(shù):
sfg-1000 series, an economic function generator with high accuracy and high stability output, is designed based on the dds (direct digital synthesized) technology embedded in a large scale fpga. the frequency range of 3mhz and the output waveform se-lection of sine, square, triangle and ttl of sfg-1000 series adequately provide the fundamental features to ensure high confidence for the test results. the dds technology at an affordable price gives a high value solution to the users who need a signal source for accurate but unsophisticated measurement applications. | |
main | |
output function | sine, square, triangle |
frequency range(for sine, square) | 0.1hz~3mhz |
frequency range(for triangle) | 0.1hz~1mhz |
frequency resolution | 0.1hz maximum |
frequency stability | ∮ 20 ppm |
frequency accuracy | ∮ 20 ppm |
frequency aging | ∮ 5 ppm / year |
amplitude range | 10vp-p (into 50load) |
amplitude accuracy | ∮20% at maximum position |
impedance | 50∮10 |
attenuator | -40db∮1db⊙1 |
dc offset | ?-5v°?+5v(into 50load) |
duty control range | 25% to 75% below 1mhz (square wave only) |
display | 6-digit led display |
output control | on/off se-lector |
sine wave | |
harmonics distortion | from amplitude control at maximum position without any attenuation to its 1/10 of any combination setting, ttl off-55dbc, 0.1hz ~ 200khz-40dbc, 0.2mhz ~ 2mhz-35dbc, 2mhz ~ 3mhz |
flatness (at maximum amplitude relative to 1khz) | ?∮0.3db, 0.1hz ~ 1mhz?∮0.5db, 1mhz ~ 2mhz?∮ 1db, 2mhz ~ 3mhz |
triangle wave | |
linear | ≠98,0.1hz°100khz;≠95,100khz°1mhz |
square wave | |
symmetry | 5% of period +4ns to 0.1hz°100khz |
rise or fall time | ?100ns at maximum output. (into 50load) |
ttl output | |
level | ≠3vpp |
fan out | 20 ttl load |
rise or fall time | ?25ns |
general | |
operation environment | indoor use, altitude up ~ 2000mambient temperature 0 ~ 40relative humidity: up to 80% at 0 ~ 40up to 70% at 35 ~ 40installation category iipollution degree 2 |
power source | ? |
| ac 240v/220v/110v∮10%, 50/60hz |
storage condition | |
temperature | -10 ~ 70 |
humidity | 70% (maximum) |
accessories | |
| user manual ⊙ 1power cord x 1gtl-101⊙ 1 |
dimension & weight | 251(w)⊙91(h)⊙291(d) mmapprox. 2.1kg |
sfg-2107數(shù)字合成信號源sfg-2107|固緯sfg-2107數(shù)字合成信號源
sfg-2110數(shù)字合成信號源sfg-2110|固緯sfg-2110數(shù)字合成信號源
sfg-2120數(shù)字合成信號源sfg-2120|固緯sfg-2120數(shù)字合成信號源
sfg-2104數(shù)字合成信號源sfg-2104|固緯sfg-2104數(shù)字合成信號源
sfg-2007數(shù)字合成信號源sfg-2007|固緯sfg-2007數(shù)字合成信號源
sfg-2004數(shù)字合成信號源sfg-2004|固緯sfg-2004數(shù)字合成信號源
sfg-1003數(shù)字合成信號源sfg-1003|固緯sfg-1003數(shù)字合成信號源
sfg-1013數(shù)字合成信號源sfg-1013|固緯sfg-1013數(shù)字合成信號源
SFG-2004數(shù)字合成信號源SFG-2004|固緯SFG-2004數(shù)字合成信號源的特點(diǎn):
SFG-2004數(shù)字合成信號源SFG-2004|固緯SFG-2004數(shù)字合成信號源的技術(shù)參數(shù):
主輸出 | |
頻率范圍(正弦波 ,方波) | 0.1Hz~4MHz |
頻率范圍(三角波 ) | 0.1Hz~1MHz |
解析度 | 0.1Hz |
頻率穩(wěn)定度 | ± 20 ppm |
頻率度 | ± 20 ppm |
長時(shí)間度 | ± 5 ppm / year |
波形種類 | 正弦波, 方波, 三角波 |
輸出振幅 | 10Vpp(含 50Ω負(fù)載) |
振幅對頻率平坦度(相對于1kHz正弦波) | <± 0.3dB,0.1Hz~1MHz; <± 0.5dB,1MHz~4MHz; <± 2dB, 4MHz~10MHz |
輸出阻抗 | 50Ω±10% |
輸出衰減器 | -20dB±1dB×2 |
直流抵補(bǔ)范圍 | <-5V~>+5V(含 50Ω負(fù)載) |
周期比調(diào)整范圍 | 20% to 80% below 1MHz (方波才有) |
周期比解析度 | 1% |
頻率顯示器 | 9位數(shù)LED 顯示 |
正弦波 | |
諧波失真 | -55dBc,0.1Hz~200kHz; -40dBc,0.2MHz~4MHz; -30dBc,4MHz~10MHz(此為輸出準(zhǔn)位最大值到十分之一值之規(guī)格且TTL/CMOS OFF) |
三角波 | |
線性度 | ≧98%,0.1Hz~100kHz;≧95%,100kHz~1MHz |
方波 | |
對稱性 | ± 1% of period +4ns to 0.1Hz~100kHz上升及下降時(shí)間 : ≦25ns在最大輸出時(shí) (含 50Ω負(fù)載) |
CMOS 輸出 | |
輸出準(zhǔn)位 | 4Vpp±1Vpp~14.5Vpp±0.5Vpp 可調(diào)整 ; 上升及下降時(shí)間 : ≦120ns |
TTL 輸出 | |
輸出準(zhǔn)位 | ≧3Vpp ; 輸出推力 : 20 TTL load ; 上升及下降時(shí)間 : ≦25ns |
記憶儲(chǔ)存 | |
儲(chǔ)存及呼叫功能 | 10 組設(shè)定記憶 |
輸入電源 | AC115V, 230V±15%, 50/60Hz |
附件 | |
| 操作手冊×1電源線×1GTL-101×1 |
外觀尺寸 | 107(W)×266(H)×293(D) m/mApprox. 3.1kg |
SFG-2107數(shù)字合成信號源SFG-2107|固緯SFG-2107數(shù)字合成信號源
SFG-2110數(shù)字合成信號源SFG-2110|固緯SFG-2110數(shù)字合成信號源
SFG-2120數(shù)字合成信號源SFG-2120|固緯SFG-2120數(shù)字合成信號源
SFG-2104數(shù)字合成信號源SFG-2104|固緯SFG-2104數(shù)字合成信號源
SFG-2007數(shù)字合成信號源SFG-2007|固緯SFG-2007數(shù)字合成信號源
SFG-2004數(shù)字合成信號源SFG-2004|固緯SFG-2004數(shù)字合成信號源
SFG-1003數(shù)字合成信號源SFG-1003|固緯SFG-1003數(shù)字合成信號源
SFG-1013數(shù)字合成信號源SFG-1013|固緯SFG-1013數(shù)字合成信號源
SFG-2007數(shù)字合成信號源SFG-2007|固緯SFG-2007數(shù)字合成信號源的特點(diǎn):
SFG-2007數(shù)字合成信號源SFG-2007|固緯SFG-2007數(shù)字合成信號源的技術(shù)參數(shù):
MAIN | |
Frequency Range(For Sine, Square) | 0.1Hz~7MHz |
Frequency Range(For Triangle) | 0.1Hz~1MHz |
Frequency Resolution | 0.1Hz |
Frequency Stability | ± 20 ppm |
Frequency Accuracy | ± 20 ppm |
Frequency Aging | ± 5 ppm / year |
Output Function | Sine, Square, Triangle |
Amplitude Range | 10Vpp(into 50Ωload) |
Flatness(Sinewave relative to 1kHz) | <± 0.3dB,0.1Hz~1MHz; <± 0.5dB,1MHz~4MHz; <± 2dB, 4MHz~10MHz |
Impedance | 50Ω±10% |
Attenuator | -20dB±1dB×2 |
DC Offset | <-5V~>+5V(into 50Ωload) |
Duty Control Range | 20% to 80% below 1MHz (Square wave only) |
Duty Control Resolution | 1% |
Display | 9 digits LED display |
SINE WAVE | |
Harmonics Distortion | -55dBc,0.1Hz~200kHz; -40dBc,0.2MHz~4MHz; -30dBc,4MHz~10MHz(Specification applied from MAX. to 1/10 level) |
TRIANGLE WAVE | |
Linear | ≧98%,0.1Hz~100kHz;≧95%,100kHz~1MHz |
SQUARE WAVE | |
Symmetry | ± 1% of period +4ns to 0.1Hz~100kHz ;Rise or Fall Time; ≦25ns at maximum output.(into 50Ωload) |
CMOS OUTPUT | |
Level | 4Vpp±1Vpp~14.5Vpp±0.5Vpp adjustable; Rise or Fall Time; ≦120ns |
TTL OUTPUT | |
Level | ≧3Vpp ; Fan Out; 20 TTL load ; Rise or Fall Time ; ≦25ns |
STORE/RECALL FUNCTION | |
10 groups of Setting memories | |
POWER SOURCE | AC115V, 230V±15%,50/60Hz |
ACCESSORIES | |
Instruction manual x 1Power Cord x 1GTL-101 x 1 | |
DIMENSION & WEIGHT | 107(W)×266(H)×293(D) m/mApprox. 3.1kg |
SFG-2107數(shù)字合成信號源SFG-2107|固緯SFG-2107數(shù)字合成信號源
SFG-2110數(shù)字合成信號源SFG-2110|固緯SFG-2110數(shù)字合成信號源
SFG-2120數(shù)字合成信號源SFG-2120|固緯SFG-2120數(shù)字合成信號源
SFG-2104數(shù)字合成信號源SFG-2104|固緯SFG-2104數(shù)字合成信號源
SFG-2007數(shù)字合成信號源SFG-2007|固緯SFG-2007數(shù)字合成信號源
SFG-2004數(shù)字合成信號源SFG-2004|固緯SFG-2004數(shù)字合成信號源
SFG-1003數(shù)字合成信號源SFG-1003|固緯SFG-1003數(shù)字合成信號源
SFG-1013數(shù)字合成信號源SFG-1013|固緯SFG-1013數(shù)字合成信號源
SFG-2010數(shù)字合成信號源SFG-2010|固緯SFG-2010數(shù)字合成信號源的特點(diǎn):
SFG-2010數(shù)字合成信號源SFG-2010|固緯SFG-2010數(shù)字合成信號源的技術(shù)參數(shù):
MAIN | |
Frequency Range(For Sine, Square) | 0.1Hz~10MHz |
Frequency Range(For Triangle) | 0.1Hz~1MHz |
Frequency Resolution | 0.1Hz |
Frequency Stability | ± 20 ppm |
Frequency Accuracy | ± 20 ppm |
Frequency Aging | ± 5 ppm / year |
Output Function | Sine, Square, Triangle |
Amplitude Range | 10Vpp(into 50Ωload) |
Flatness(Sinewave relative to 1kHz) | <± 0.3dB,0.1Hz~1MHz; <± 0.5dB,1MHz~4MHz; <± 2dB, 4MHz~10MHz |
Impedance | 50Ω±10% |
Attenuator | -20dB±1dB×2 |
DC Offset | <-5V~>+5V(into 50Ωload) |
Duty Control Range | 20% to 80% below 1MHz (Square wave only) |
Duty Control Resolution | 1% |
Display | 9 digits LED display |
SINE WAVE | |
Harmonics Distortion | -55dBc,0.1Hz~200kHz; -40dBc,0.2MHz~4MHz; -30dBc,4MHz~10MHz(Specification applied from MAX. to 1/10 level) |
TRIANGLE WAVE | |
Linear | ≧98%,0.1Hz~100kHz;≧95%,100kHz~1MHz |
SQUARE WAVE | |
Symmetry | ± 1% of period +4ns to 0.1Hz~100kHz ;Rise or Fall Time; ≦25ns at maximum output.(into 50Ωload) |
CMOS OUTPUT | |
Level | 4Vpp±1Vpp~14.5Vpp±0.5Vpp adjustable; Rise or Fall Time; ≦120ns |
TTL OUTPUT | |
Level | ≧3Vpp ; Fan Out; 20 TTL load ; Rise or Fall Time ; ≦25ns |
STORE/RECALL FUNCTION | |
| 10 groups of Setting memories |
POWER SOURCE | AC115V, 230V±15%,50/60Hz |
ACCESSORIES | |
| Instruction manual×1Power Cord x 1GTL-101×1 |
DIMENSION & WEIGHT | 107(W)×266(H)×293(D) m/mApprox. 3.1kg |
SFG-2020數(shù)字合成信號源SFG-2020|固緯SFG-2020數(shù)字合成信號源的特點(diǎn): |
· 直接?位合成技?及FPGA晶片?? · ?率范?:0.1Hz~20MHz · ?率解析度:100mHz · ?率度及?移度:+/-20ppm · 低失真正弦波:-55dBc,0.1Hz~200kHz · ?出波形:正弦波、方波、三角波 · 具TTL及CMOS OUT · 前面板可?定十??存及呼叫操作?? |
SFG-2020數(shù)字合成信號源SFG-2020|固緯SFG-2020數(shù)字合成信號源的技術(shù)參數(shù):
Based on Direct Digital Synthesized (DDS) technology and unique FPGA design, SFG-2000/2100 Series Function Generators are built with exceptionally high performance far exceeding that of any conventional function generators, at a very competitive price. Stable output frequency, low distortion, and fine frequency resolution are the most remarkable characteristics of this product series. | |
MAIN | |
Frequency Range(For Sine, Square) | 1Hz~20MHz |
Frequency Range(For Triangle) | 1Hz~1MHz |
Frequency Resolution | 1Hz |
Frequency Stability | ∮ 20 ppm |
Frequency Accuracy | ∮ 20 ppm |
Frequency Aging | ∮ 5 ppm / year |
Output Function | Sine, Square, Triangle |
Amplitude Range | 2mV~10Vpp(into 50load) |
Impedance | 50∮10 |
Attenuator | -20dB∮1dB⊙2 |
DC Offset | ?-5V°?+5V(into 50load) |
Duty Control Range | 20% to 80%, 2Hz~1MHz (Square wave only) |
Range Resolution | 1% |
Display | 9 digits LED display |
SINE WAVE | |
Harmonics Distortion | -55dBc,0.1Hz°200kHz; -40dBc,0.2MHz°4MHz; -30dBc,4MHz°10MHz(Specification applied to both TTL/CMOS OFF and from MAX. to 1/10 level) |
Flatness (Relative to 1kHz) | ?∮ 0.3dB,0.1Hz°1MHz; ?∮ 0.5dB,1MHz°4MHz; ?∮ 2dB, 4MHz°10MHz |
TRIANGLE WAVE | |
Linearity | ≠98,0.1Hz°100kHz;≠95,100kHz°1MHz |
SQUARE WAVE | |
Symmetry | ∮ 1% of period +4ns to 0.1Hz°100kHz |
Rise or Fall Time | ?25ns at maximum output.(into 50load) |
CMOS OUTPUT | |
Level | 4Vpp∮1Vpp°15Vpp∮1Vpp adjustable; Rise or Fall Time ?120ns |
TTL OUTPUT | |
Level | ≠3Vpp ; Fan Out; 20 TTL load ; Rise or Fall Time ?25ns |
STORE/RECALL FUNCTION | |
? | 10 groups of Setting memories |
POWER SOURCE | ? |
? | AC115V∮10%, AC 230V+10%/-15%, 50/60Hz |
ACCESSORIES | |
? | Instruction manual⊙1Power Cord x 1GTL-101⊙ 1 |
DIMENSION & WEIGHT | 266(W)⊙107(H)⊙293(D) mmApprox. 3.1kg |
2030系列高精度合成信號源 |
2030系列為高性能信號源,帶有可編程的調(diào)制源和LF輸出,的精度,使用戶擁有頻率、相位、幅度和脈沖調(diào)制任意組合的靈活性。通過豐富的選件配置,幾乎可以滿足任何應(yīng)用的需要。 2030可以選用4種模擬模式?梢赃x配用于高功率輸出、航空測試、第二內(nèi)部調(diào)制振蕩器以及脈沖調(diào)制的選件,可以加入RF分析和復(fù)雜掃描功能以及內(nèi)部脈沖信號發(fā)生器等。標(biāo)配即帶有可編程調(diào)制源,擁有大范圍的調(diào)制帶寬和的精度。 由于其靈活性和精度, 2030系列產(chǎn)品被航空工業(yè)廣泛采用。它已經(jīng)成為航空工業(yè)中測試飛行器和空港系統(tǒng)的標(biāo)準(zhǔn),特別是在德國,它成為測量ILS、VOR和DME設(shè)備事實(shí)上的標(biāo)準(zhǔn)。 ◆頻率范圍: 2030:10kHz to 1.35GHz 2031:10kHz to 2.7GHz 2032:10kHz to 5.4GHz ◆ 0.1Hz頻率分辨率 ◆ 0.1Hz到500kHz的調(diào)制振蕩器 ◆寬帶調(diào)頻,帶寬可達(dá) 10MHz ◆支持單一、雙重、復(fù)合和雙重復(fù)合調(diào)制模式 ◆支持 GPIB(IEEE 488.2標(biāo)準(zhǔn))編程 ◆簡易的菜單用戶界面 ◆多種國際信令音( CTCSS,DTMF……) ◆清晰的大屏幕背光液晶顯示 ◆非易失存儲(chǔ)器 主要技術(shù)參數(shù) 輸出幅度: -144dBm - +13dBm 調(diào)制方式: 調(diào)頻/調(diào)幅/調(diào)相/寬帶調(diào)頻(10MHz)/脈沖調(diào)制(選件) SSB噪聲:典型值 122dBc/Hz, 470MHz, 20KHz偏移 剩余調(diào)頻:< 7Hz值 內(nèi)頻標(biāo)老化率(長穩(wěn)):優(yōu)于2×10 -7 / 年(OCXO) 掃描方式: 射頻頻率及電平掃描 低頻頻率及電平掃描 體積: 152×425×525mm高寬長 重量: 16.5公斤 選件 : 選件 001: 第二調(diào)制振蕩器 選件 002: 內(nèi)脈沖調(diào)制(通斷電平比70dB,上升沿小于25ns,典型值5ns) 選件 003: +19dBm高功率輸出(只適用于2030) 選件 005: GSM/PCN/PCS調(diào)制(GMSK Bt 0.3調(diào)制) 選件 006: 航空信標(biāo)選件(必須同時(shí)選裝選件001,不能與選件003同時(shí)選裝。用于測試ILS,VOR,ASF,MARKER BEACON, SELCAL及DME系統(tǒng)) 選件 008: 射頻包絡(luò)電平補(bǔ)償及多功能掃描(適用于ELC/TEMPEST/STE系統(tǒng)) 選件 009: 內(nèi)脈沖發(fā)生器(需同時(shí)選裝選件002,用于測試?yán)走_(dá)系統(tǒng)) 選件 010: DME(需同時(shí)選裝選件001及006,不能同時(shí)選裝選件003或005) 選件 012: 電子衰減器(只適用于2030及2031,不能同時(shí)選裝選件003或010) 選件 105: 脈沖延遲觸發(fā)選件(可獲得延緩的上升及下降時(shí)間,必須同時(shí)選裝選件002,用于測量TDD及TDMA接收機(jī)) 選件 112: 第二外調(diào)制震蕩器600歐姆匹配輸入。
劉剛 | QQ:280022582 Add:深圳市深南大道6029號(車公廟)世紀(jì)豪庭29A | Http://www.kingcable.com.cn 熱像儀| 電能質(zhì)量分析儀| 示波器 | 柔性交流探頭 | 高壓差分探頭| 電子負(fù)載 | 交流源 | 虛擬儀器 | 兆歐表 | 接地電阻測試儀
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The low residual FM and excellent phase noise performance of these signal generators make them ideal for many in-channel and even out-of-channel receiver tests. The 8657A/B is a versatile signal generator offering a variety of features, such as simultaneous and mixed modulation combinations of AM and FM, as well as a carrier phase adjust capability that allows you to characterize phase-sensitive devices.
廠家: 美國惠普
詳細(xì)指標(biāo) pdf文檔
The low residual FM and excellent phase noise performance of these signal generators make them ideal for many in-channel and even out-of-channel receiver tests. The Agilent 8657A is a versatile signal generator offering a variety of features, such as simultaneous and mixed modulation combinations of AM and FM, as well as a carrier phase adjust capability that allows you to characterize phase-sensitive devices.