Bruker HPPR/2 User Manual

CRP RF-Electronics
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9.3 Transmit-/Receive Bias Currents
The following transmit-/receive bias currents may be measured on the transmitter coaxial line
between the HPPR/2 module and the corresponding Cryoprobe input:
MODULE Typical Bias Current @ 77K
For System Frequencies
(1H) up to 1000 MHz
For System Frequencies
(1H) 1100 and 1200 MHz
HPPR/2 15N MODULE 95 mA 140 mA
HPPR/2 2H MODULE 95 mA (observe mode)19
mA (lock mode)
140 mA (observe mode)19
mA (lock mode)
HPPR/2 13C MODULE 95 mA 140 mA
HPPR/2 31P MODULE 95 mA 140 mA
AQS XBB19F 2HS MODULE 95 mA 140 mA
HPPR/2 XBB19F 2HP MODULE 95 mA 140 mA
HPPR/2 XBB31P 2HP HPLNA
MODULE
95 mA 140 mA
HPPR/2 19F MODULE 45 mA (observe mode)
17 mA (lock mode)
not available
HPPR/2 1H HPLNA MODULE 45 mA (observe mode)
17 mA (lock mode, ECL >= 06)
AQS 1H2H MODULE 1H: 36 mA not available
2H: 36 mA (observe mode)
15 mA (lock mode)
not available
Table9.2: Cryoprobe T/R-Switch Bias Currents for the HPPR/2 Family

Bruker HPPR/2 Specifications

General

Brand	Bruker
Model	HPPR/2
Category	Laboratory Equipment
Language	English