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PicoConnect 921 6 GHz ÷20 AC coupled probe

A family of high-performance low-impedance passive probes tailored to the low-invasive probing of high-speed digital transmission lines and ports out to 18 Gb/s (9 GHz). Fully interchangeable SMA(f) probe heads address division ratios of ÷5, 10 and 20 in DC and AC coupled designs. The unusual inclusion of ÷5 is important to the ever-reducing amplitude of gigabit data streams, and AC coupling is important when DC bias conditions must not be disturbed, as with HDMI, ECL, PECL and LVDS.

The probes are ratio-compensated for their typical application, the probing of transmission lines in the range 40 to 60 Ω (80 to 120 Ω differential). Market-leading pulse fidelity and very low probe-tip capacitance ensure faithful capture of data, eye diagrams and stream spectra, typically without disturbing system function. PicoConnect probes are supplied with sprung-tip test pins for fingertip browsing of circuitry, backplanes, interconnect or systems; or solder-in kit for more permanent or multiple-stream probing. All are housed with a 600 mm light-gauge, high-flex coax cable (TA263 -SMA(m-m) unsleeved) in a convenient storage and carry case.

Passive probes are inherently linear, low-noise and static-hardened. They do not demonstrate significant overload recovery error or latency and the robust in-PCB coplanar buried line design achieves high-integrity performance in the hand or in noisy environments.

^£739

Title	Language	Issue	Size	Updated	All languages	Status
PicoConnect 900 Series Probes Data Sheet	English	5	6 MB	Feb 08 2022	english	open
PicoConnect 900 Series Probes Leaflet	English	3	5 MB	Apr 08 2019	english	open
PicoConnect 900 EU Declaration of Conformity	English	1	587 KB	Dec 22 2016	english	open
PicoConnect 900 Series Passive Probes User’s Guide	English Français Deutsch Italiano Español 中文 (简体)	4	3 MB	Mar 16 2017	english french german italian spanish chinese-simplified	open
The Trouble with Oscilloscope Probes and an “off-piste” design for microwave and gigabit application	English	2	2 MB	Apr 19 2017	english	open

Accessories for the PicoConnect 921 6 GHz ÷20 AC coupled probe

Product		Price	Quantity
	Gold-plated probe tips and solder-in wire kit for PicoConnect probes TA315	^£29
	Precision sleeved coaxial cable (60 cm) TA312	^£51
	Precision sleeved coaxial cable (30 cm) TA265	^£75
	High-flex unsleeved coaxial cable (60 cm) TA263	^£59
	Precision high-flex unsleeved coaxial cable (30 cm) TA264	^£51
	Adaptor 3 GHz SMA(f)-BNC(m) TA313	^£21
	Adaptor 18 GHz SMA(f)-N(m) TA314	^£68

Model	921	922	923	924	925	926
Nominal division ratio	20:1		10:1		5:1
Bandwidth (–3 dB)	> 6 GHz		> 7 GHz		> 9 GHz
Max. usable data rate (fundamental)	12 Gb/s		14 Gb/s		18 Gb/s
Max. usable data rate (3rd harmonic)	4 Gb/s		4.6 Gb/s		6 Gb/s
Max. usable data rate (5th harmonic)	2.4 Gb/s		2.8 Gb/s		3.6 Gb/s
Transition time	< 58.3 ps		< 50 ps		< 38.8 ps
Probe tip impedance (nominal)	515 Ω		250 Ω		220 Ω
Probe tip capacitance (typical)	0.3 pF
Probe tip capacitance (maximum)	0.4 pF
Accuracy for line Z₀ = 40 Ω to 60 Ω^[1]	< ±0.20 dB (±2.4%)		< ±0.27 dB (±3.1%)		< ±0.25 dB (±2.9%)
Accuracy for line Z₀ = 0 Ω to 100 Ω^[2]	< ±0.48 dB (±5.6%)		< ±0.86 dB (±10.4%)		< ±0.90 dB (±10.9%)
Nominal error for line Z₀ = 75 Ω^[3]	< –0.19 dB (–2.2%)		< –0.40 dB (–4.5%)		< –0.48 dB (–5.3%)
Continuous voltage^[4]	7 V AC RMS	7 V RMS	5 V AC RMS	5 V RMS	5 V AC RMS	5 V RMS
DC blocking voltage (max.)	50 V DC	-	50 V DC	-	50 V DC	-
Peak voltage^[5,6]	< 25 V
Mark:space at peak voltage	< 1:20 (5%)		< 1:30 (3.3%)		< 1:30 (3.3%)
Coupling^[4]	AC	DC	AC	DC	AC	DC
Low-frequency cut-off (–3 dB)	70 kHz	-	140 kHz	-	160 kHz	-
Pulse /eye droop	> 20 ns / %	-	> 10 ns / %	-	> 10 ns / %	-
Flatness (±0.5 dB)	210 kHz to 2 GHz	DC to 2 GHz	420 kHz to 2 GHz	DC to 2 GHz	480 kHz to 2 GHz	DC to 2 GHz
Output impedance^[6] (for test node impedance 50 Ω)	54 Ω matched		48 Ω matched		187 Ω unmatched
Additive voltage noise @ 23 °C	0.9 nV/√Hz		0.9 nV/√Hz		1.6 nV/√Hz

Environment
Operating temperature range	0 to 50°C
Storage temperature range	–20 to 70°C
Temperature range for stated specifications	15 to 40°C
Operating humidity range	5% to 80% RH non-condensing
Storage humidity range	5% to 95% RH non-condensing
Altitude range	up to 2000 m
Pollution degree	2
Safety approvals	EN61010-031:2002+A1 2008 safety requirements for hand-held probe assemblies for electrical measurement and test
EMC approvals	Not applicable
Environmental approvals	2012/19/EU - Waste Electrical and Electronic Equipment 2011/65/EU - Restriction of use of certain Hazardous Substances in Electrical and Electronic Equipment

General
Output connector (probe head)	SMA(f
Supplied cable	60 cm SMA(m-m) precision unsleeved high-flex 085 microwave coaxial cable (unsleeved and 30 cm options also available)
Supplied accessories	Pack of replacement probe tips; two coils of solder-in gold-plated wire; SMA-to-BNC adaptor (with RF, microwave and pulse models only)
Dimensions (probe head)	68 x 19 x 11 mm
Nominal probe tip pitch	5 mm
Weight	5 g