British pa nh0500 needles, 0. 5 mm needles
1. Output resistance: 18pf+/-3pf
2. Probe sensitivity: 300nv/pa (equivalent to -250. 5 db re 1 v/upa)
3. Sensitivity variation range: +/- 3 db
4. Frequency response: (+/-2db): 3 to 15 mhz; (+/-4db): 1 mhz to 15 mhz
Sensor material: 9 m thick pvdf
Sensor diameter: 0. 5 mm
7. Configuration: 0. 2 mm hydrophones, special storage boxes for hydrophones, calibration reports。
British pa nh0500 needle hydrophone, 0. 5 mm hydrophone attachment
I. Dc straight-study convergence
1. Provide direct current voltage, pre-driving amplifiers
As acoustic signal coupling between the front amplifiers and the measurement systems
3. Entry resistance: 50 euros
4. Export resistance: 50 euros
(b) 6. Output voltage: 28v
7. Input interface: smc
8. Output interface: bnc; 9. Configuration: dc coupling, power lines
Ii. Forward amplifiers
Electricity gain: 8db at 3. 5 mhz
Bandwidth: 10k ~ 50 mhz (-3db), 5khz ~ 100 mhz (-6db)
3. Maximum output: loaded at a peak of 650 mv at 50 eur
4. Entry resistance: 1m and 8pf
5. Export resistance: 50 euros
6. Output noise level: 60uv rms
7. Interface: mcx for input and smc for output
Power requirement: 28v
9. Configuration: forward amplifiers, connections。
