Bipolar Power Supply Selection Chart

Matsusada Precision offers a wide range of bipolar power supplies, also known as four-quadrant power supplies or bipolar amplifiers. Our lineup is categorized into two types: models with built-in function generators and bipolar amplifiers designed for external signal input. Use the selection chart below to find the ideal model based on output power, frequency bandwidth, and voltage requirements.

Bipolar Power Supplies (Built-in Function Generator)

Ideal for standalone operation, these models include a built-in function generator, enabling waveform output without external equipment. Suitable for evaluation, testing, and applications requiring simple waveform control.

Series		DJOPF	DOKF	DOPF	DOSF
Output Power		50W, 60W	400W	150～2000W	150～2000W
Frequency Bandwidth		DC～30kHz	DC～120kHz	DC～30kHz	DC～200kHz
Output Voltage	5V			±5V
	6V			±6V
	10V	±10V		±10V
	20V	±20V	±20V	±20V	±20V
	25V			±25V	±25V
	30V	±30V		±30V
	40V		±40V
	45V			±45V	±45V
	60V	±60V	±60V	±60V	±60V
	70V			±70V
	80V		±80V	±80V
	120V			±120V
	150V			±150V
	200V			±200V
	300V			±300V
Total models
Function Generator		Built-in Type	Built-in Type	Built-in Type	Built-in Type
Master/Slave Operation		--	Up to 3 units	Up to 3 units	Up to 3 units
Meter Indication
Sequence Function		16 steps x 3 program	1024 steps x 64 program	16 steps x 3 program	16 steps x 3 program
Communication		Digital Option	Digital Standard	Digital Option	Digital Option
Ripple		[CV mode] Less than 0.02% rms [CC mode] Less than 0.2% rms	[CV mode] DOKF20-20: 2 mV Except DOKF20-20: 4 mV (typ.) [CC mode] 3 mA, Typical	0.02 % rms	0.02% rms
Series		DJOPF	DOKF	DOPF	DOSF

Bipolar Amplifiers (External Signal Input)

Designed to amplify external analog signals with high fidelity, these models are suitable for applications requiring precise waveform reproduction, such as piezo control, magnetic field generation, and dynamic testing.

Series		DJOP	DHOP	DOP	DOS	DOL	DOA	DOC
Output Power		50W, 60W	225W, 240W	150～2000W	150～2000W	270～640W	75～300W	50W, 100W
Frequency Bandwidth		30kHz	100kHz	30kHz	200kHz	15kHz	1000kHz	10kHz
Output Voltage	5V			±5V
	6V			±6V
	10V	±10V		±10V
	18V					±18V
	20V	±20V	±20V	±20V	±20V
	25V			±25V	±25V
	30V	±30V		±30V
	40V					±40V
	45V		±45V	±45V	±45V
	60V	±60V		±60V	±60V	±60V
	70V			±70V
	75V						±75V
	80V			±80V
	120V			±120V		±120V
	150V			±150V			±150V
	200V			±200V
	250V						250V Option
	300V			±300V
	500V							±500V
	1000V							±1000V
1000V or more		High Voltage Amplifiers
Total models
Function Generator		-	-	-	-	-	-	-
Master/Slave Operation		-	-	Up to 3 units	Up to 3 units	-	-	-
Meter Indication		Three-digit 2 screens	Three-digit 2 screens	Three-digit 2 screens	Three-digit 2 screens	Three-digit 2 screens	Three-digit 2 screens	Three-digit 2 screens
Sequence Function		-	-	-	-	-	-	-
Communication		-	-	-	-	-	-	-
Ripple		[CV mode] Less than 0.02% rms [CC mode] Less than 0.2% rms	[CV mode] Less than 0.1% rms [CC mode] Less than 0.4% rms	Less than 0.02% rms	Less than 0.02% rms		Less than or equal to 0.02% rms	[CV mode] 0.02% rms [CC mode] 0.2% rms
Series		DJOP	DHOP	DOP	DOS	DOL	DOA	DOC

Function Generator useful for bipolar amplifiers

External function generators for use with bipolar amplifiers. Recommended when advanced waveform control or higher resolution is required.