The HP/Agilent 35677A S-Parameter Test Set is a dedicated accessory for the HP 3577A network analyzer that enables full S-parameter characterization of one- and two-port devices across the 100 kHz to 200 MHz band. The test set eliminates manual reconnection requirements by providing simultaneous reflection and transmission measurement capability, delivering a pre-integrated alternative to discrete component assembly.
Technical Specifications
Frequency Range: 100 kHz to 200 MHz
Test Port Impedance: 50 ohms (HP 35677A); 75 ohms (HP 35677B)
Directivity: >40 dB
Port Match (Test Ports 1, 2): >26 dB (HP 35677A); >24 dB (HP 35677B)
Test Port Isolation: >100 dB
Input Port Return Loss: >20 dB
Output Ports A, B, R Return Loss: >26 dB
Frequency Response:
• Transmission (S21, S12): ±1 dB, ±5 degrees
• Reflection (S11, S22): ±1 dB, ±5 degrees
Insertion Loss:
• RF Input to Test Port 1 or 2: Typically 13 dB (HP 35677A); Typically 19 dB (HP 35677B)
• RF Input to Output Ports A, B, R: Typically 19 dB (HP 35677A); Typically 31 dB (HP 35677B)
Power Handling:
• RF Input Maximum Operating Level: +25 dBm or ±30 Vdc
• RF Input Damage Level: +27 dBm or ±30 Vdc
• Port 1 or 2 Damage Level: +27 dBm or ±30 Vdc
DC Bias:
• Range: Typically ±30 Vdc and ±20 mA
• Damage Level: 200 mA
– Key Features
• Type N female connectors (50 ohm input and output ports; test ports as specified per model)
• Test Port Open/Short Ratio: <±0.75 dB magnitude and <±5 degrees phase (HP 35677A); <±1 dB magnitude and <±7.5 degrees phase (HP 35677B)
• Test Port Reciprocity: Typically <±0.5 dB magnitude and <±5 degrees phase
• Incident Power Ratio (Test Port 1 to Test Port 2): Typically <±1.5 dB
• BNC female DC bias inputs on rear panel
– Compatibility & Integration
Designed as a primary accessory for the HP 3577A network analyzer. Dimensions: 4 × 17 × 24 in. Weight: 15 lbs.
