產品介紹

U6200A

Picotest 12位數/秒通用計頻器

產品說明

Picotest 12位數/秒通用計頻器 U6200A能夠提供每秒12位數頻率解析、可量測頻率從1 mHz到 to 400 MHz，內建6GHz Channel 3、統計及數學運算功能。使用者可以做一般量測、同步量測、中間值統計、最大/最小值統計、三角函數統計及標準差統計，快速量測及特殊應用及免費的遠端操控軟體及常用的SCPI指令。

12位解析含6GHz頻率量測

本公司根據ISO9004製程所生產出的U6200A萬用計頻器能夠提供每秒12位數頻率解析(見Figure-1)、40 ps時間間隔解析，以及完整的測試與分析功能。另外，本產品還內建第三頻道，可量測頻率從375 MHz到6GHz，而第一和第二頻道，可量測頻率從1 mHz到 to 400 MHz。

絕佳的萬用特色

本產品U6200A也提供了其它不錯的功能及設計，例如：頻率比率(每秒11位)、時間間隔、週期(2.5 ns至1000 s)、工作週期、脈衝寬度、上升/下降時間、峰值電壓(100 Hz到300 MHz)、相位、總計、時基溫度變化穩定度 (小於 1 PPM)、老化率(每年小於 2 PPM)、時基參考(I/O見Figure-2)、前端完全隔離。另外還提供20組記憶空間，讓使用者儲存常用的設定(見Figure-3)。

完整的數學運算功能及簡易的操作面板

本產品U6200A內建統計及數學運算功能。使用者可以做一般量測、同步量測、中間值統計、最大/最小值統計、三角函數統計及標準差統計(見Figure-4)。以及運用Scale & Offset功能按鍵，使用者可依實際應用加入補償值。而要完成以上操作並依需求輸入數值，使用者只要輕易地利用本產品面板上的數字鍵即可。再者，本公司為了使用者操作方便，將功能按鍵設計成當功能啟用時，按鍵便會亮起(見Figure-5)。

快速量測及特殊應用

本產品U6200A採用即時數位訊號進程技術，即可在分析數據之際，同時讀取新值並做快速量測。值得一提的是「限制模式」，使用者可以依需求設定最大及最小界值，並透過面板設定成Go-On或Stop，再開啟USB Output，此時只要量測值超過所設定的範圍，U6200A就會依設定繼續或停止量測，同時送出訊號觸發外部裝置(見Figure-6)。

免費的遠端操控軟體及常用的SCPI指令

使用者除了可以透過微軟Excel應用軟體，經由內建的USB或選購的GPIB介面取得資料，還可以利用U6200A支援網路伺服器功能，將內建的乙太網路連結PC，並在PC上的網路瀏覽器中鍵入預設的位址192.168.0.247，使用者便可透過圖像使用者介面GUI操控U6200A。另外，靠著與安捷倫53132A相容的SCPI指令集，U6200A能夠在應用上提供使用者熟悉的語法字串。

U6200A / U6220A 規格表

規格說明

Channel 1 & 2 ( for U6200A only ) Input Specifications
DC Coupled	1 MHz to 400 MHz
AC Coupled	200 KHz to 400 MHz ( 50 Ω ) 30 Hz to 400 MHz ( 1 MΩ )
FM Tolerance	FM Tolerance : 25%
Voltage Range and Sensitivity
1 mH to 225 MHz	20 mVrms to ±5 V ac + dc ( Medium and High ) 25 mVrms to ±5 V ac + dc ( Low )
225 MHz to 400 MHz	30 mVrms to ±5 V ac + dc
Channel 1 & 2 ( for U6200A only ) Input Characteristics
Impedance ( ATT X 1, 1 MΩ Capacitance ) ( ATT X 10, 1 MΩ Capacitance )	1 MΩ or 50 MΩ 24 pF 15pF
Coupling	AC or DC
Low - Pass Filter	100 KHz ( or disabled ) -20 dB at > 1 MHz
Input Sensitivity	Selectable between Low, Medium ( default ), or High Medium is approximately 1.35x High Sensitivity, low is approximately 1.7x High Sensitivity
Internal Noise	200 uVrms ( typical )

Voltage Range and Sensitivity ( Single - Shot Pulse )
1.5 ns to 10 ns Pulse Width	80 mVpp to 10 Vpp ( 150 mVpp with optional rear connectors )
> 10 ns Pulse Width	50 mVpp to 10 Vpp ( 150 mVpp with optional rear connectors )

Trigger Level ( ATT x 1 )
Range	±5.125 V
Accuracy	±( 15 mV + 1% of trigger level )
Resolution	2.5 mV
ATT x 10 Range	X 10
Trigger Slope	Positive or Negative
Auto Trigger Level	Range	0 to 100% in 1% steps
	Frequency	Peak Voltage fast mode > 10 KHz Peak Voltage slow mode > 100 Hz Amplitude > 100 mVpp ( No amplitude modulation )

Damage Level
DC ~ 400 MHz 50 Ω	12 Vrms
0 to 3.5 KHz, 1 MΩ	350 V dc + ac pk
3.5 KHz to 100 KHz, 1 MΩ	350 V dc + ac pk linearly derated to 12 Vrms
100 KHz to 400 MHz, 1 MΩ	12 Vrms
Attenuator
Voltage Range	x10
Trigger Range	x10

1. Specifications and Characteristics for Channels 1 and 2 are identical for both Common and Separate Configurations.
2. Values shown are for x 1 attenuator setting. Multiply all values by 10 ( nominal ) when using the x 10 attenuator setting. Note that it may necessary to recalibrate the input offset in the application environment ( especially at high temperature ) to achieve maximum sensitivity.

Channel 3 Input Specifications ( for U6200A only )
Frequency Range	375 MHz to 6 GHz
Channel 3 Input Characteristics ( for U6200A only )
Impedance	50Ω
Couping	AC
VSWR	< 2.5 : 1
Power Range and Sensitivity ( Sinusoid )
375 MHz to 500 MHz		-16 dBm to + 15 dBm
500 MHz to 1 GHz		-20 dBm to + 15 dBm
1 GHz to 2 GHz		-23 dBm to + 15 dBm
2 GHz to 4 GHz		-25 dBm to + 15 dBm
4 GHz to 5 GHz		-21 dBm to + 15 dBm
5 GHz to 5.5 GHz		-20 dBm to + 15 dBm
5.5 GHz to 6 GHz		-17 dBm to + 15 dBm
Damage Level
+25 dBm, DC ±12V

External Arm Input Specifications
Signal Input Range	LVTTL and TTL compatible
Timing Restrictions
Pulse Width	> 50 ns
Transition Time	< 250 ns
Start - to - Stop Time	> 50 ns
Damage Level	12 Vrms
External Arm Input Characteristics
Impedance	1 kΩ
Input Capacitance	17 pF
Start Slope	Positive or Negative
Stop Slope	Positive or Negative
Notes	1. External Arm is available for all measurements except Peak Volts. 2. External Arm is referred to as External Gate for some measurement.

Internal Time Base Stability
		Standard ( 0° to 50°C )
Temperature Stability ( referenced to 25°C )		< ± 1 x 10^-6
Aging Rate	Per Day Per Month Per Year	< ± 0.2 x 10^-6 ± 2 ppm
Calibration		Electronic

External Time Base Input Specifications
Voltage Range	200 mVrms to 10 Vrms
Damage Level	12 Vrms
External Time Base Input Characteristics
Threshold	0 V
Impedance	1 kΩ
Input Capacitace	25 pF
Input Frequency	10 MHz
Internal vs. External Time Base Selection	Manual	Select Internal or External
	Automatic	Internal used when External not persent ( default )
Time Base Output Specifications
Output Frequency	10 MHz
Voltage	570 mVpp ( 0 dBm ), typical
Impedance	50 Ω (typical), AC coupled

Measurement Specifications
Frequency, Period Channel 1 and 2	1 mHz to 400 MHz ( 2.5 ns to 1000 s )
Trigger	Default setting is Auto Trigger at 50%
" Default " Gate Time	0.1 sec
STD CH 3	375 MHz to 6 GHz ( 0.166 ns to 2.6 ns )
Frequency Ratio	CH 1 / CH 2, CH 1 / CH 3, CH 2 / CH 1, CH 3 / CH1
	( Measurement is specified over the full signal range of each input. )
Results Range	10^-10 to 10¹¹
" Default " Gate Time	0.1 sec
Time Interval	Measurement is specified over the full signal range of Channels 1 and 2. The width of the pulse must be greater than 1 ns, frequency range to 300 MHz.
Trigger	Default setting is Auto Trigger at 50%
Results Range	-0.5 ns to 10⁵s
Resolution	40 ps
RMS Resolution	120 ps
Systematic Uncertainty	± ( TI x Time Base Error ) ± Trigger Level Timing Error ± 500 ps Differential Channel Error
Pulse Width Time	Measurement is specified over the full signal range of Channel 1. The width of the pulse must be greater than 1 ns frequency range to 300 MHz ).
Pulse Selection	Positive or Negative
Trigger	Default setting is Auto Trigger at 50%
Results Range	1.5 ns to 105 s
Resolution	40 ps
RMS Resolution	120 ps
Systematic Uncertainty	± ( Pulse Width Time x Time Base Error ) ± Trigger Level Timing Error ± 500 ps Differential Channel Error.
Rise / Fall Time	Measurement is specified over the full signal range of Channel 1. The width of the pulse must be greater than 1 ns frequency range to 300 MHz ).
Edge Selection	Positive or Negative
Trigger	Default setting is Auto Trigger at 10% and 90%
Results Range	2 ns to 105 s
Resolution	40 ps
RMS Resolution	120 ps
Systematic Uncertainty	± ( Edge Time x Time Base Error ) ± Trigger Level Timing Error ± 500 ps Differential Channel Error
Phase	Measurement is specified over the full signal range of each input. The width of the pulse must be greater than 1 ns, frequency range to 300 MHz
Results Range	-180° to +360°
Resolution	40 ps
RMS Resolution	120 ps
Systematic Uncertainty	± ( Trigger Level Timing Error ) x Frequency
Duty Cycle	Measurement is specified over the full signal range of Channel 1. The width of the pulse must be greater than 1 ns, frequency range to 300 MHz
Pulse Selection	Positive or Negative
Trigger	Default setting is Auto Trigger at 50%
Results Range	0 to 1
Resolution	40 ps
RMS Resolution	120 ps
SystematicUncertainty	± Trigger Level Timing Error ± 500 ps Differential Channel Error
Totalize	Measurement is spcified over the full signal range of Channel 1. The width of the pulse must be greater than 1 ns, frequency range to 400 MHz
Pulse Selection	Positive or Negative
Trigger	Default setting is Trigger at 0 V
Results Range	0 to 10¹⁵
Resolution	1 count
Systematic Uncertainty	± 1 count
Peak Voltage	Results Range	-5.1 V to + 5.1 V
	Resolution	2.5 mV
DC Signals		15 mV + 2% of V	peak-to-peak amplitude greater than 200 mV
DC Signals		15 mV + 2% of V	peak-to-peak amplitude greater than 1 V
1 Vp-p, 50Ω, ATT OFF	10 Hz ~10 KHz	15 mV + 2% of V	peak-to-peak amplitude greater than 200 mV
	10 KHz ~ 5 MHz	15 mV + 4% of V
	5 MHz ~ 80 MHz	15 mV + 7% of V
	80 MHz ~ 300 MHz	15 mV + 15% of V

Rear Input Option Channel Isolation
Frequency	Front Channel ( dB )	Rear Channel ( dB )
100 KHz	< -85	< -85
1 MHz	-85	-75
10 MHz	-78	-55
50 MHz	-67	-42
100 MHz	-62	-37
200 MHz	-55	-35
300 MHz	-50	-36
400 MHz	-47	-33

The peak volts measurement will keep operating up to 400 MHz, although results act as references only.
The differential channel-to-channel disaccord and internal noise. These issues can be improved by the TI calibration in the well-controlled temperature environment.

A.1 RMS Resolution

※

Rms	100 Hz	1 KHz	10 KHz	100 KHz
U62 ( 10ms )	0.000000842	0.000003438	0.000013896	0.000067275
U62 ( 100ms )	0.0000001	0.000000828	0.000005093	0.000011508
U62 ( 1s )	0.000000001	0.000000098	0.000001212	0.000004869

Rms	1 MHz	10 MHz	100 MHz	1 GHz
U62 ( 10ms )	0.000677504	0.0048303870	0.072107484	0.611551072
U62 ( 100ms )	0.000101040	0.002272900	0.006344503	0.055991810
U62 ( 1s )	0.000058166	0.000469601	0.001275299	0.002602258

The graph doesn't include the effects of trigger error. To place an upper bound on the added effect of this error term, it's necessary to determine the frequency error from the frequency error from the proper graph and add a trigger error term as the following equation：

External source and input amplifier noise might advance or postpone the triggerpoints that define the start and end ofa measurement. The resulting timing uncertainty is a function of the selw rate of the signal and the amplitude of spurious noise spikes ( relative to the input hysteresis band ).
The ( rms ) trigger error relative to a single trigger point is :

B. Preset Values and Save / Recall Information

※ Note : The U6220A doesn't provide the function via the channel 2 colored green.

		Value at *RST ( GPIB Reset )	In Save / Recal	In non - volatile memory
Input impedance	CH1	1E + 6Ohms	YES	NO
Input impedance	CH2	1E + 6Ohms	YES	NO
Input Attenuation	CH1	x 1	YES	NO
Input Attenuation	CH2	x 1	YES	NO
Trigger Level	CH1 ( percent )	50	YES	NO
	CH2 ( percent )	50	YES	NO
	CH1 ( volts )	0	YES	NO
	CH2 ( volts )	0	YES	NO
Trigger Slope	CH1	positive	YES	NO
Trigger Slope	CH2	positive	YES	NO
Sensitivity	CH1	Medium	YES	NO
Sensitivity	CH2	Medium	YES	NO
Scale		1	YES	NO
Offset		0	YES	NO
Limits parameters	Limit test on / off	off	YES	NO
	On fail stop / go on	go on	YES	NO
	Lower limit	0	YES	NO
	Upper Limit	0	YES	NO
Stats parameters	Stats on / off	off	YES	NO
	Measurement count	100	YES	NO
	Display measurement / stats	measurement	YES	NO
	Use all / in limlts	all	YES	NO
	On - single measurement	1	YES	NO
Timebase		auto	YES	NO
Trigger Offset Cal Parameters		Channel 1 trigger offset Inp1 cal	NO	YES
		Channel 2 trigger offset Inp2 cal	NO	YES
		Channel 1 trigger offset Att1 cal	NO	YES
		Channel 2 trigger offset Att2 cal	NO	YES
Trigger Gain Cal Parameters		Channel 1 trigger gain Inp1 cal	NO	YES
		Channel 2 trigger gain Inp2 cal	NO	YES
		Channel 1 trigger gain Att1 cal	NO	YES
		Channel 2 trigger gain Att2 cal	NO	YES
Time Interval Offset Cal Parameters		Fine 1	NO	YES
		Fine 2	NO	YES
		Quick	NO	YES
Timebase cal Parameters			NO	YES

C. General Specifications

※ Note : The U6220A doesn't support the accessories from item 1 ~ 4 colored green.

Item	Limitation & description
Power Supply Voltage	100V / 240V ± 10% 50Hz ~ 60Hz ± 10%
Power Supply Voltage	100V / 120V ± 10% 400Hz ± 10%
Power Requirements	Max. 80VA ( 30W Typtical )
Operating Humidity	Maximum relative humidity 80% for temperature up to 31 °C decreasing linearly to 50% relative humidity at 40 °C
Operating Environment	0 to 55 °C
Storage Temperature	-40 °C to 70 °C
Operating Altitude	Up to 2000m
Dimensions for Rack ( W x H x D )	214.6 x 88.6 x 346.9 mm
Weight	3130 g / 2887 g
Safety	IEC61010-1 : 2010 / EN61010-1 : 2010 ( 3^rd Edition )
	IEC61010-2-030 : 2010 ( 1^st Edition ) /
	EN61010-2-030 : 2010
EMC	EN61326, IEC61000-3, IEC61000-4
Warm-up Time	1 Hour
Warranty	1 Year
Accessory	1. U6200-opt04 : Rear panel input module ( CH1 / CH2 ) 2. U6200-opt05 : Rear panel input module ( CH1 / CH2 / CH3 ) 3. M3500-opt04 : GPIB Card

※ Note 1 : The accessories have to be assembled in Picotest.
※ Note 2 : Not to position the equipment so that it is difficult to operate the disconnecting device.
※ Note 3 : Documentation shall instruct against replacing detachable mains supply cords by inadequately rated cords.

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