Passive and active devices


Value range: 1.0 Ohm to 50 Megaohm
Absolute tolerance: 20% + or -
Ratio tolerance: 0.1% ( trimmed), 1% - 5% ( untrimmed)

Value range: 0.1pF to 1nF
Absolute tolerance: 20% + or -
Ratio tolerance: 0.1%

Value range: 10pH to 100nH ( on chip)
Absolute tolerance: 20% + or -
Ratio tolerance: 5%
Self resonant frequency: > 1.0 Ghz
Bond wire inductor: ~ 1nH mil ( typical)

Amplitude Balance in dB range: 0.02 to 20.20
Phase balance in degrees: 0.1 to 88 Degrees.
Frequency range: > 1 Ghz
Insertion losses ( dB): -14.0 to -2.5 ( unmatched)

Transformer: ( Typical parameters)
Primary inductance Lp range: 0.36nH - 8.0nH
Secondary inductance Ls range: 7.0nH - 10.0nH
Coupling factor Km: 0.65 - 0.85
Parasitic primary capacitance: 350fF - 400fF
Parasitic secondary capacitance: 320fF - 450fF
Winding resistances: 10 Ohm - 50 Ohm.

Polysilicon fusing current: 10mA for 100ms
Unfused resistance: 35 ohm per square ( can be designed up to megaohms)
Fused resistance: Megaohms.

pn junction diodes:
Breakdown voltages: 5.0 - 200V
Maximum current capacity: 20Amps ( typical)

Zener diodes:
Typical Vz: 5.0 - 7.0 Volts
Currents: 1mA - 1 Amp
Vz can be tailored to some extent for different breakdowns.

npn transistors:
Current gain range: 50 - 300
ft ( transition frequency) range: 100 Mhz to 300 Ghz.
BVCEO range: 3.0 - 200V

pnp transistors:
Current gain range: 2- 100
ft transition frequency range: 1 Mhz - 500 Mhz
BVCEO range: 3.0V to 200V

Transconductance range: 10 - 300 uA/V*2
Current capability: up to 20A or more
Drain breakdown voltage: 5.0V - 500V
gm transition frequency range: 10 Mhz to 75 Ghz
Types of MOSFETS: Enhancement, Depletion, Intrinsic ( 0.0 V threshold), NMOS, PMOS

DMOS transistors:
Transconductance range: 20 - 100 uA/V*2
Current capability range: 0.1mA - 100mA ( typical)
Drain breakdown voltages: up to 600V or more.
gm transition frequency: < 100 Mhz ( typically)

Contact SPG

Functional blocks

Amplifiers: ( Opamps, RF amps, variable gain amps, power amps)


Voltage references

Voltage regulators

Power management circuits

LED drivers

SMPS circuits

A/D converters

D/A Converters

Mixers ( including image reject)

Frequency multipliers

Modulators/ Demodulators

Low noise amplifiers ( LNA)

Active and passive filters

Digital logic blocks ( NOR, NAND, Flip-Flops primitives)

Digital blocks ( uP, uC, Memories, EEPROM, RAM, ROM )

I2C, Serial, USB, RS232, R485, interface circuits

High speed digital equalizer circuits

Analog switches of various kinds

Radio receivers

Radio transmitters

Please see the IP page in the SPG website for more functional blocks.

Please enquire for more ready made blocks or for a custom block

Note: Specific performance ranges have not been specified above for functional blocks since the range is almost infinite. It is best to contact SPG for these types of specifications.

Contact SPG