Predictika · RF wafer probe selection and fit checks

An AI sales agent's wafer probe quote, checked before it goes out

An AI sales agent prepares a lab's quote for coaxial RF wafer probes: the probe model, the contact configuration, the pad pitch, the frequency to be measured, the test temperatures and the pad size. Before it goes out, the agent sends it to Predictika, which checks it against a declarative model of the public probe selection guide and returns a verdict, every reason and the figures it computed.

Scope: Coaxial wafer probes (InfinityXT40, 50, 67 and 110, Infinity I40, I50 and I67, ACP40, ACP50 and ACP65): frequency, pitch, contact configuration, temperature and pad size. See everything this validator covers

This validator models probe selection and fit for these coaxial probe models, not just the scenarios shown below.

  • Frequency and pitch — the top frequency each model covers (40 to 110 GHz) and the pad pitch range: 45 to 250 microns for InfinityXT, 50 to 250 for Infinity, 50 to 1,250 for ACP.
  • Contact configuration and temperature — GS, SG and GSG on InfinityXT (GSG only on the 110 GHz model), all five configurations (GS, SG, GSG, GSSG, GSGSG) on Infinity and ACP; operating ranges of -40 to 175 C for InfinityXT, -65 to 125 C for Infinity and -65 to 200 C for ACP.
  • Pad size and stated figures — pads smaller than the sizes in the selection guide (25 microns for InfinityXT and Infinity, 80 microns for ACP) go to a person for the tip choice; a top frequency stated on the quote is compared with the model's.

Any coaxial probe quote that touches these rules is in scope — not only the scenarios pictured here. Not covered: prices (FormFactor does not publish probe prices, so no price build-up or line-item quote is produced), waveguide, multi-contact and other probe families, the Infinity I110 and I145 and ACP110 models, probe stations and probe cards. Assumptions: the smaller pad dimension is compared with the guide's minimum pad size, which the guide gives as a best case; pitch ranges and configurations are those printed in the guide and product pages read in October 2026.

The AI sales agentBuilds the probe quote from the conversation and says it is ready.
Predictika validatorChecks every rule at once and returns the verdict, each finding, and the computed figures.

7 scenarios in 3 groups · each group runs from the agent’s first attempt to the outcome · click one to switch

What the agent proposes

The AI sales agent says

Illustrative agent statement. The validator receives the structured request below.

Proposing agent: AI sales agent (scripted)

Before sending, the agent must call Recorded run

Predictika validator


      

        
        
        
      

      
Waiting for the call.

      
    

  

  
  

    
Where rules-based CPQ gets it wrong
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Our assessment of what a typical rules-based CPQ (product rules, price rules and validation rules, as in Salesforce CPQ) does with the same cases. It is a judgment about effort and reliability, not a claim that nothing can be built.

    
What the validator caughtTypical rules-based CPQPredictika
Pitch ranges that differ by probe familyOnly with care
Each family has its own pitch window (45 to 250, 50 to 250, 50 to 1,250 microns), so the rule has to be scoped per model and kept in step with the guide.		The model and the pitch are in one request and compared together on every call.
A contact configuration offered on some models onlyEasy
A compatibility rule between probe model and configuration; routine in a product-rules CPQ.		The same rule, checked together with all the others on every call.
A stated top frequency that disagrees with the modelOnly with workarounds
Checking a figure typed on the quote against the model's limit takes extra formulas.		The stated figure is one more field in the request and is compared with the model on every call.
Small pads that need a person's judgmentOnly with care
One number gives three outcomes (fine, review, block) and the threshold differs by family.		The pad size is checked against the family threshold and returns a review outcome with the other findings.
Every problem returned in one answerOnly with workarounds
Rules tend to fire as the quote is saved or a step is completed, so a rep often fixes one error and meets the next.		All findings come back together, whatever order the choices arrived in.

  

  

    
What this validator catches: findings from its test cases
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Every rule is checked on every call, in any order the choices arrive; one problem never hides another. Blocking findings stop the quote; approval findings need a person to sign off; everything else is computed.

    
1The GSSG contact configuration is not offered on this probe model.
2The GSGSG contact configuration is not offered on this probe model.
3The measurement needs 41 GHz; this probe model covers up to 40 GHz.
4The measurement needs 66 GHz; this probe model covers up to 65 GHz.
5The pad pitch is 44 microns; this probe model covers 45 to 250 microns.
6The pad pitch is 49 microns; this probe model covers 50 to 250 microns.
7The pad pitch is 251 microns; this probe model covers 50 to 250 microns.
8The pad pitch is 1,251 microns; this probe model covers 50 to 1,250 microns.
9The highest test temperature is 176 C; this probe model operates up to 175 C.
10The highest test temperature is 126 C; this probe model operates up to 125 C.
11The lowest test temperature is -66 C; this probe model operates down to -65 C.
12The smaller pad dimension is 24 microns, below the 25 micron size in the selection guide for this probe family; a person should confirm the tip choice.
13The smaller pad dimension is 79 microns, below the 80 micron size in the selection guide for this probe family; a person should confirm the tip choice.
14The quote states a top frequency of 50 GHz; this probe model covers up to 67 GHz.
15The measurement needs 50 GHz; this probe model covers up to 40 GHz.
16The pad pitch is 300 microns; this probe model covers 50 to 250 microns.
17The highest test temperature is 150 C; this probe model operates up to 125 C.
18The lowest test temperature is -70 C; this probe model operates down to -65 C.
19The quote states a top frequency of 67 GHz; this probe model covers up to 40 GHz.

  

  

    
Scenarios and results
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The recorded result of the validator for each scenario on this page: the request the AI agent sent, the verdict, and every finding, in the order they appear above.

    
1. Power amplifier characterization: A six-probe order for 60 GHz amplifier characterization

    
The agent's request. Please quote 6 ACP50 probes for Vantage Silicon Lab, with the GSSG contact configuration. The pad pitch is 40 microns and the smallest pad dimension is 100 microns. The measurements run up to 60 GHz, from -50 C to 220 C. The quote states a top frequency of 50 GHz. It is ready to send.

    
Verdict: Blocked.

    
    
      
  • Frequency above the probe model. The measurement needs 60 GHz; this probe model covers up to 50 GHz.
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  • Pad pitch outside the probe range. The pad pitch is 40 microns; this probe model covers 50 to 1,250 microns.
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  • Test temperature above the probe range. The highest test temperature is 220 C; this probe model operates up to 200 C.
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2. Power amplifier characterization: The agent resubmits after fixing the errors

    
The agent's request. Please quote 6 InfinityXT67 probes for Vantage Silicon Lab, with the GSG contact configuration. The pad pitch is 50 microns and the smallest pad dimension is 100 microns. The measurements run up to 60 GHz, from -40 C to 175 C. The quote states a top frequency of 67 GHz. It is ready to send.

    
Verdict: Allowed.

    
    
      
  • Probe summary. 6 probe(s), model IXT67: 0 to 67 GHz, pitch 45 to 250 microns, -40 to 175 C.
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3. 110 GHz probing: A two-probe order for 110 GHz differential probing

    
The agent's request. Please quote 2 InfinityXT110 probes for Meridian RF Devices, with the GSSG contact configuration. The pad pitch is 75 microns and the smallest pad dimension is 60 microns. The measurements run up to 120 GHz, from -65 C to 150 C. The quote states a top frequency of 110 GHz. It is ready to send.

    
Verdict: Blocked.

    
    
      
  • Frequency above the probe model. The measurement needs 120 GHz; this probe model covers up to 110 GHz.
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  • Contact configuration not offered. The GSSG contact configuration is not offered on this probe model.
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  • Test temperature below the probe range. The lowest test temperature is -65 C; this probe model operates down to -40 C.
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4. 110 GHz probing: The agent resubmits after fixing the errors

    
The agent's request. Please quote 2 InfinityXT110 probes for Meridian RF Devices, with the GSG contact configuration. The pad pitch is 75 microns and the smallest pad dimension is 20 microns. The measurements run up to 110 GHz, from -40 C to 150 C. The quote states a top frequency of 110 GHz. It is ready to send.

    
Verdict: Needs approval.

    
    
      
  • Small pads need confirmation. The smaller pad dimension is 20 microns, below the 25 micron size in the selection guide for this probe family; a person should confirm the tip choice.
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  • Probe summary. 2 probe(s), model IXT110: 0 to 110 GHz, pitch 45 to 250 microns, -40 to 175 C.
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5. 110 GHz probing: The agent resubmits after fixing the errors

    
The agent's request. Please quote 2 InfinityXT110 probes for Meridian RF Devices, with the GSG contact configuration. The pad pitch is 75 microns and the smallest pad dimension is 60 microns. The measurements run up to 110 GHz, from -40 C to 150 C. The quote states a top frequency of 110 GHz. It is ready to send.

    
Verdict: Allowed.

    
    
      
  • Probe summary. 2 probe(s), model IXT110: 0 to 110 GHz, pitch 45 to 250 microns, -40 to 175 C.
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6. Wide-pitch differential probing: A four-probe order for differential probing at wide pitch

    
The agent's request. Please quote 4 Infinity I50 probes for Halcyon Semiconductor, with the GSGSG contact configuration. The pad pitch is 300 microns and the smallest pad dimension is 60 microns. The measurements run up to 50 GHz, from -40 C to 100 C. The quote states a top frequency of 67 GHz. It is ready to send.

    
Verdict: Blocked.

    
    
      
  • Pad pitch outside the probe range. The pad pitch is 300 microns; this probe model covers 50 to 250 microns.
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  • Stated top frequency does not match. The quote states a top frequency of 67 GHz; this probe model covers up to 50 GHz.
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7. Wide-pitch differential probing: The agent resubmits after fixing the errors

    
The agent's request. Please quote 4 Infinity I50 probes for Halcyon Semiconductor, with the GSGSG contact configuration. The pad pitch is 150 microns and the smallest pad dimension is 60 microns. The measurements run up to 50 GHz, from -40 C to 100 C. The quote states a top frequency of 50 GHz. It is ready to send.

    
Verdict: Allowed.

    
    
      
  • Probe summary. 4 probe(s), model I50: 0 to 50 GHz, pitch 50 to 250 microns, -65 to 125 C.
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Narration transcript
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The text of the narrated walkthrough, step by step.

    
    
      
  1. Welcome to a demo of Predictika's Validator. An AI sales agent prepares a lab's quote for coaxial RF wafer probes: the probe model, the contact configuration, the pad pitch, and more. Before it goes out, the agent sends it to Predictika, which checks it against a declarative model of the public probe selection guide and returns a verdict, every reason and the figures it computed.
    2. 
      
  2. I will start with the first request by the agent.
    3. 
      
  3. The agent says. Please quote 2 InfinityXT110 probes for Meridian RF Devices, with the GSSG contact configuration. The pad pitch is 75 microns and the smallest pad dimension is 60 microns. The rest of the request is on screen.
    4. 
      
  4. Before it goes out, the agent calls the validator.
    5. 
      
  5. Blocked, with three findings, all in one answer. The measurement needs 120 GHz; this probe model covers up to 110 GHz. The GSSG contact configuration is not offered on this probe model. The lowest test temperature is -65 C; this probe model operates down to -40 C.
    6. 
      
  6. The validator returned three blocking findings in one answer. A check that reads one field at a time would pass most of this; it shows only when the choices in the quote are checked against each other.
    7. 
      
  7. What this shows: for a contact configuration offered on some models only, a rules-based CPQ is easy.
    8. 
      
  8. Now the agent resubmits.
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  9. The corrected request. It changes the contact configuration to GSG, the smaller pad dimension to 20 microns, the highest measurement frequency to 110 GHz and the lowest test temperature to -40 C.
    10. 
      
  10. It calls the validator again.
    11. 
      
  11. Not blocked, but held for a person.
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  12. The three blocking findings are cleared; one approval remains for a person: small pads need confirmation.
    13. 
      
  13. The agent resubmits once more.
    14. 
      
  14. The revised request. It changes the smaller pad dimension to 60 microns.
    15. 
      
  15. It calls the validator once more.
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  16. This time the validator clears it.
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  17. The earlier finding is cleared.
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  18. Three problems caught in one call, fixed in two passes, and a clean quote. That is the value of Predictika's validator: catching mistakes before they reach the customer. Now you can try the other scenarios yourself.
    19.