JP7471240B2 - 試験測定装置及び試験測定装置の送信部 - Google Patents
試験測定装置及び試験測定装置の送信部 Download PDFInfo
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- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
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- G01R31/31708—Analysis of signal quality
- G01R31/3171—BER [Bit Error Rate] test
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- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2832—Specific tests of electronic circuits not provided for elsewhere
- G01R31/2836—Fault-finding or characterising
- G01R31/2839—Fault-finding or characterising using signal generators, power supplies or circuit analysers
- G01R31/2841—Signal generators
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- G01—MEASURING; TESTING
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- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
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- G—PHYSICS
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/317—Testing of digital circuits
- G01R31/3181—Functional testing
- G01R31/319—Tester hardware, i.e. output processing circuits
- G01R31/31903—Tester hardware, i.e. output processing circuits tester configuration
- G01R31/31905—Interface with the device under test [DUT], e.g. arrangements between the test head and the DUT, mechanical aspects, fixture
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/317—Testing of digital circuits
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Description
実施例
Claims (8)
- 被試験デバイス(DUT)からアナログ信号を受けるように構成された入力部と、
該入力部に結合され、上記アナログ信号をデジタル信号に変換するよう構成されたアナログ・デジタル・コンバータ(ADC)と、
上記デジタル信号を受けて、第1デジタル・シグナル・プロセッサを使用して、上記デジタル信号について、信号調整、シンボル・リカバリ及び分析を行うよう構成された受信部と、
第2デジタル・シグナル・プロセッサを使用して、デジタル出力信号を生成するように構成された送信部と、
該送信部に結合され、該送信部からの上記デジタル出力信号をアナログ信号に変換するように構成されると共に、該アナログ信号を上記DUTに送信するように構成されたデジタル・アナログ・コンバータ(DAC)と、
差動スキュー、コモン・モード障害又はクロストークを上記DUTに送信される前の上記アナログ信号に加えるアナログ障害エミュレータと、
上記DUTを通過しない、上記受信部と上記送信部の間の通信パスと
を具える試験測定装置。 - 被試験デバイス(DUT)からアナログ信号を受けるように構成された入力部と、
該入力部に結合され、上記アナログ信号をデジタル信号に変換するよう構成されたアナログ・デジタル・コンバータ(ADC)と、
上記デジタル信号を受けて、第1デジタル・シグナル・プロセッサを使用して、上記デジタル信号について、信号調整、シンボル・リカバリ及び分析を行うよう構成された受信部と、
第2デジタル・シグナル・プロセッサを使用して、シンボル間干渉又はチャンネル障害を含むデジタル出力信号を生成するように構成された送信部と、
該送信部に結合され、該送信部からの上記デジタル出力信号をアナログ信号に変換するように構成されると共に、該アナログ信号を上記DUTに送信するように構成されたデジタル・アナログ・コンバータ(DAC)と、
上記DUTを通過しない、上記受信部と上記送信部の間の通信パスと
を具える試験測定装置。 - 上記DUTに送信されるクロック信号を生成するクロック生成部と、
上記DUTに送信される前の上記クロック信号を変更するように構成されたクロック・ストレス生成部と
を更に具える請求項1又は2による試験測定装置。 - 被試験デバイス(DUT)からアナログ信号を受けるように構成された入力部と、
上記入力部に結合され、上記アナログ信号をデジタル信号に変換するよう構成されたアナログ・デジタル・コンバータ(ADC)と、
上記デジタル信号を受けて、第1デジタル・シグナル・プロセッサを使用して、上記デジタル信号についての信号調整、シンボル・リカバリ及び分析を、上記DUTから上記アナログ信号を受けたレート以上のレートで行い、上記DUTからの上記アナログ信号を連続的に処理するよう構成された受信部と
を具え、
該受信部が、第2被試験デバイス(DUT)から第2アナログ信号を受ける第2入力部を有する試験測定装置。 - 基本出力信号を生成するように構成された信号生成部と、
上記基本出力信号に1つ以上の障害を追加して合成出力信号を形成するように構成されたデジタル・シグナル・プロセッサと、
該デジタル・シグナル・プロセッサに結合され、上記合成出力信号をアナログ信号に変換し、該アナログ信号を試験用のデバイスに送信するよう構成されたデジタル・アナログ・コンバータ(DAC)と、
差動スキュー、コモン・モード障害又はクロストークを試験用の上記デバイスに出力される前の上記アナログ信号に加えるアナログ障害エミュレータと
を具える試験測定装置の送信部。 - 基本出力信号を生成するように構成された信号生成部と、
上記基本出力信号に1つ以上の障害を追加して合成出力信号を形成するように構成されたデジタル・シグナル・プロセッサと、
該デジタル・シグナル・プロセッサに結合され、上記合成出力信号をアナログ信号に変換し、該アナログ信号を試験用のデバイスに送信するよう構成されたデジタル・アナログ・コンバータ(DAC)と
を具え、
上記1つ以上の障害として、シンボル間干渉又はチャンネル障害が含まれる試験測定装置の送信部。 - デジタル・マーカ波形生成部を更に具え、上記試験測定装置の上記送信部が、上記デジタル・マーカ波形生成部によって生成されたデジタル・マーカ信号を上記デバイスに送信するよう構成される請求項5による試験測定装置の送信部。
- ノイズ障害波形生成部を更に具え、生成されたノイズ障害が、試験用の上記デバイスに出力される前の上記アナログ信号に追加される請求項5による試験測定装置の送信部。
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